Finding the Third Proportional to 117,736.50 and 252,078

Step by Step Solution

1. Step 1: Write the proportion equation
   117,736.50 : 252,078 = 252,078 : x
2. Step 2: Convert to fraction form
   117,736.50/252,078 = 252,078/x
3. Step 3: Cross multiply
   117,736.50x = 252,078 × 252,078
4. Step 4: Simplify right side
   117,736.50x = 63,543,318,084
5. Step 5: Solve for x
   x = 63,543,318,084/117,736.50
6. Step 6: Final answer
   x = 539,707.89