Finding the Third Proportional to 498,702 and 747,859.50

Step by Step Solution

1. Step 1: Write the proportion equation
   498,702 : 747,859.50 = 747,859.50 : x
2. Step 2: Convert to fraction form
   498,702/747,859.50 = 747,859.50/x
3. Step 3: Cross multiply
   498,702x = 747,859.50 × 747,859.50
4. Step 4: Simplify right side
   498,702x = 559,293,831,740.25
5. Step 5: Solve for x
   x = 559,293,831,740.25/498,702
6. Step 6: Final answer
   x = 1,121,499.08