Finding the Third Proportional to 275,592 and 425,872.50

Step by Step Solution

1. Step 1: Write the proportion equation
   275,592 : 425,872.50 = 425,872.50 : x
2. Step 2: Convert to fraction form
   275,592/425,872.50 = 425,872.50/x
3. Step 3: Cross multiply
   275,592x = 425,872.50 × 425,872.50
4. Step 4: Simplify right side
   275,592x = 181,367,386,256.25
5. Step 5: Solve for x
   x = 181,367,386,256.25/275,592
6. Step 6: Final answer
   x = 658,101.06