Finding the Third Proportional to 426,767.50 and 660,762

Step by Step Solution

1. Step 1: Write the proportion equation
   426,767.50 : 660,762 = 660,762 : x
2. Step 2: Convert to fraction form
   426,767.50/660,762 = 660,762/x
3. Step 3: Cross multiply
   426,767.50x = 660,762 × 660,762
4. Step 4: Simplify right side
   426,767.50x = 436,606,420,644
5. Step 5: Solve for x
   x = 436,606,420,644/426,767.50
6. Step 6: Final answer
   x = 1,023,054.52