Finding the Third Proportional to 72,845 and 112,502.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,845 : 112,502.50 = 112,502.50 : x
2. Step 2: Convert to fraction form
   72,845/112,502.50 = 112,502.50/x
3. Step 3: Cross multiply
   72,845x = 112,502.50 × 112,502.50
4. Step 4: Simplify right side
   72,845x = 12,656,812,506.25
5. Step 5: Solve for x
   x = 12,656,812,506.25/72,845
6. Step 6: Final answer
   x = 173,749.91