Finding the Third Proportional to 2,128,602 and 3,130,533

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128,602 : 3,130,533 = 3,130,533 : x
2. Step 2: Convert to fraction form
   2,128,602/3,130,533 = 3,130,533/x
3. Step 3: Cross multiply
   2,128,602x = 3,130,533 × 3,130,533
4. Step 4: Simplify right side
   2,128,602x = 9,800,236,864,089
5. Step 5: Solve for x
   x = 9,800,236,864,089/2,128,602
6. Step 6: Final answer
   x = 4,604,072.00