Finding the Third Proportional to 657,665 and 1,434,349

Step by Step Solution

1. Step 1: Write the proportion equation
   657,665 : 1,434,349 = 1,434,349 : x
2. Step 2: Convert to fraction form
   657,665/1,434,349 = 1,434,349/x
3. Step 3: Cross multiply
   657,665x = 1,434,349 × 1,434,349
4. Step 4: Simplify right side
   657,665x = 2,057,357,053,801
5. Step 5: Solve for x
   x = 2,057,357,053,801/657,665
6. Step 6: Final answer
   x = 3,128,275.12