Finding the Third Proportional to 498,684 and 747,832.50

Step by Step Solution

1. Step 1: Write the proportion equation
   498,684 : 747,832.50 = 747,832.50 : x
2. Step 2: Convert to fraction form
   498,684/747,832.50 = 747,832.50/x
3. Step 3: Cross multiply
   498,684x = 747,832.50 × 747,832.50
4. Step 4: Simplify right side
   498,684x = 559,253,448,056.25
5. Step 5: Solve for x
   x = 559,253,448,056.25/498,684
6. Step 6: Final answer
   x = 1,121,458.58