Finding the Third Proportional to 347,436 and 754,650

Step by Step Solution

1. Step 1: Write the proportion equation
   347,436 : 754,650 = 754,650 : x
2. Step 2: Convert to fraction form
   347,436/754,650 = 754,650/x
3. Step 3: Cross multiply
   347,436x = 754,650 × 754,650
4. Step 4: Simplify right side
   347,436x = 569,496,622,500
5. Step 5: Solve for x
   x = 569,496,622,500/347,436
6. Step 6: Final answer
   x = 1,639,141.09