Finding the Third Proportional to 249,451.50 and 565,491

Step by Step Solution

1. Step 1: Write the proportion equation
   249,451.50 : 565,491 = 565,491 : x
2. Step 2: Convert to fraction form
   249,451.50/565,491 = 565,491/x
3. Step 3: Cross multiply
   249,451.50x = 565,491 × 565,491
4. Step 4: Simplify right side
   249,451.50x = 319,780,071,081
5. Step 5: Solve for x
   x = 319,780,071,081/249,451.50
6. Step 6: Final answer
   x = 1,281,932.84