Finding the Third Proportional to 2,445,864,689,660.40 and 5,321,150,214,424.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,445,864,689,660.40 : 5,321,150,214,424.10 = 5,321,150,214,424.10 : x
2. Step 2: Convert to fraction form
   2,445,864,689,660.40/5,321,150,214,424.10 = 5,321,150,214,424.10/x
3. Step 3: Cross multiply
   2,445,864,689,660.40x = 5,321,150,214,424.10 × 5,321,150,214,424.10
4. Step 4: Simplify right side
   2,445,864,689,660.40x = 28,314,639,604,465,642,047,012,864
5. Step 5: Solve for x
   x = 28,314,639,604,465,642,047,012,864/2,445,864,689,660.40
6. Step 6: Final answer
   x = 11,576,535,580,305.15