Finding the Third Proportional to 117,162 and 252,123.75

Step by Step Solution

1. Step 1: Write the proportion equation
   117,162 : 252,123.75 = 252,123.75 : x
2. Step 2: Convert to fraction form
   117,162/252,123.75 = 252,123.75/x
3. Step 3: Cross multiply
   117,162x = 252,123.75 × 252,123.75
4. Step 4: Simplify right side
   117,162x = 63,566,385,314.06
5. Step 5: Solve for x
   x = 63,566,385,314.06/117,162
6. Step 6: Final answer
   x = 542,551.21