Finding the Third Proportional to 354,913.31 and 754,111.69

Step by Step Solution

1. Step 1: Write the proportion equation
   354,913.31 : 754,111.69 = 754,111.69 : x
2. Step 2: Convert to fraction form
   354,913.31/754,111.69 = 754,111.69/x
3. Step 3: Cross multiply
   354,913.31x = 754,111.69 × 754,111.69
4. Step 4: Simplify right side
   354,913.31x = 568,684,437,224.10
5. Step 5: Solve for x
   x = 568,684,437,224.10/354,913.31
6. Step 6: Final answer
   x = 1,602,319.26