Finding the Third Proportional to 252,909 and 541,690.88

Step by Step Solution

1. Step 1: Write the proportion equation
   252,909 : 541,690.88 = 541,690.88 : x
2. Step 2: Convert to fraction form
   252,909/541,690.88 = 541,690.88/x
3. Step 3: Cross multiply
   252,909x = 541,690.88 × 541,690.88
4. Step 4: Simplify right side
   252,909x = 293,429,004,058.27
5. Step 5: Solve for x
   x = 293,429,004,058.27/252,909
6. Step 6: Final answer
   x = 1,160,215.75