Finding the Third Proportional to 112,716 and 168,718.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,716 : 168,718.50 = 168,718.50 : x
2. Step 2: Convert to fraction form
   112,716/168,718.50 = 168,718.50/x
3. Step 3: Cross multiply
   112,716x = 168,718.50 × 168,718.50
4. Step 4: Simplify right side
   112,716x = 28,465,932,242.25
5. Step 5: Solve for x
   x = 28,465,932,242.25/112,716
6. Step 6: Final answer
   x = 252,545.62