Finding the Third Proportional to 264,642 and 573,025.50

Step by Step Solution

1. Step 1: Write the proportion equation
   264,642 : 573,025.50 = 573,025.50 : x
2. Step 2: Convert to fraction form
   264,642/573,025.50 = 573,025.50/x
3. Step 3: Cross multiply
   264,642x = 573,025.50 × 573,025.50
4. Step 4: Simplify right side
   264,642x = 328,358,223,650.25
5. Step 5: Solve for x
   x = 328,358,223,650.25/264,642
6. Step 6: Final answer
   x = 1,240,763.84