Finding the Third Proportional to 260,220 and 541,216.50

Step by Step Solution

1. Step 1: Write the proportion equation
   260,220 : 541,216.50 = 541,216.50 : x
2. Step 2: Convert to fraction form
   260,220/541,216.50 = 541,216.50/x
3. Step 3: Cross multiply
   260,220x = 541,216.50 × 541,216.50
4. Step 4: Simplify right side
   260,220x = 292,915,299,872.25
5. Step 5: Solve for x
   x = 292,915,299,872.25/260,220
6. Step 6: Final answer
   x = 1,125,644.84