Finding the Third Proportional to 225,861 and 491,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   225,861 : 491,086.50 = 491,086.50 : x
2. Step 2: Convert to fraction form
   225,861/491,086.50 = 491,086.50/x
3. Step 3: Cross multiply
   225,861x = 491,086.50 × 491,086.50
4. Step 4: Simplify right side
   225,861x = 241,165,950,482.25
5. Step 5: Solve for x
   x = 241,165,950,482.25/225,861
6. Step 6: Final answer
   x = 1,067,762.70