Finding the Third Proportional to 287,482.50 and 604,755

Step by Step Solution

1. Step 1: Write the proportion equation
   287,482.50 : 604,755 = 604,755 : x
2. Step 2: Convert to fraction form
   287,482.50/604,755 = 604,755/x
3. Step 3: Cross multiply
   287,482.50x = 604,755 × 604,755
4. Step 4: Simplify right side
   287,482.50x = 365,728,610,025
5. Step 5: Solve for x
   x = 365,728,610,025/287,482.50
6. Step 6: Final answer
   x = 1,272,176.95