Finding the Third Proportional to 440,757 and 654,655.50

Step by Step Solution

1. Step 1: Write the proportion equation
   440,757 : 654,655.50 = 654,655.50 : x
2. Step 2: Convert to fraction form
   440,757/654,655.50 = 654,655.50/x
3. Step 3: Cross multiply
   440,757x = 654,655.50 × 654,655.50
4. Step 4: Simplify right side
   440,757x = 428,573,823,680.25
5. Step 5: Solve for x
   x = 428,573,823,680.25/440,757
6. Step 6: Final answer
   x = 972,358.52