Finding the Third Proportional to 10,825,812 and 15,231,648

Step by Step Solution

1. Step 1: Write the proportion equation
   10,825,812 : 15,231,648 = 15,231,648 : x
2. Step 2: Convert to fraction form
   10,825,812/15,231,648 = 15,231,648/x
3. Step 3: Cross multiply
   10,825,812x = 15,231,648 × 15,231,648
4. Step 4: Simplify right side
   10,825,812x = 232,003,100,795,904
5. Step 5: Solve for x
   x = 232,003,100,795,904/10,825,812
6. Step 6: Final answer
   x = 21,430,549.58