Finding the Third Proportional to 363,418 and 541,575.50

Step by Step Solution

1. Step 1: Write the proportion equation
   363,418 : 541,575.50 = 541,575.50 : x
2. Step 2: Convert to fraction form
   363,418/541,575.50 = 541,575.50/x
3. Step 3: Cross multiply
   363,418x = 541,575.50 × 541,575.50
4. Step 4: Simplify right side
   363,418x = 293,304,022,200.25
5. Step 5: Solve for x
   x = 293,304,022,200.25/363,418
6. Step 6: Final answer
   x = 807,070.71