Finding the Third Proportional to 77,719.50 and 116,100.75

Step by Step Solution

1. Step 1: Write the proportion equation
   77,719.50 : 116,100.75 = 116,100.75 : x
2. Step 2: Convert to fraction form
   77,719.50/116,100.75 = 116,100.75/x
3. Step 3: Cross multiply
   77,719.50x = 116,100.75 × 116,100.75
4. Step 4: Simplify right side
   77,719.50x = 13,479,384,150.56
5. Step 5: Solve for x
   x = 13,479,384,150.56/77,719.50
6. Step 6: Final answer
   x = 173,436.32