Finding the Third Proportional to 354,111.75 and 764,761.50

Step by Step Solution

1. Step 1: Write the proportion equation
   354,111.75 : 764,761.50 = 764,761.50 : x
2. Step 2: Convert to fraction form
   354,111.75/764,761.50 = 764,761.50/x
3. Step 3: Cross multiply
   354,111.75x = 764,761.50 × 764,761.50
4. Step 4: Simplify right side
   354,111.75x = 584,860,151,882.25
5. Step 5: Solve for x
   x = 584,860,151,882.25/354,111.75
6. Step 6: Final answer
   x = 1,651,625.94