Finding the Third Proportional to 353,499 and 747,940.50

Step by Step Solution

1. Step 1: Write the proportion equation
   353,499 : 747,940.50 = 747,940.50 : x
2. Step 2: Convert to fraction form
   353,499/747,940.50 = 747,940.50/x
3. Step 3: Cross multiply
   353,499x = 747,940.50 × 747,940.50
4. Step 4: Simplify right side
   353,499x = 559,414,991,540.25
5. Step 5: Solve for x
   x = 559,414,991,540.25/353,499
6. Step 6: Final answer
   x = 1,582,507.99