Finding the Third Proportional to 72,881.50 and 112,435.75

Step by Step Solution

1. Step 1: Write the proportion equation
   72,881.50 : 112,435.75 = 112,435.75 : x
2. Step 2: Convert to fraction form
   72,881.50/112,435.75 = 112,435.75/x
3. Step 3: Cross multiply
   72,881.50x = 112,435.75 × 112,435.75
4. Step 4: Simplify right side
   72,881.50x = 12,641,797,878.06
5. Step 5: Solve for x
   x = 12,641,797,878.06/72,881.50
6. Step 6: Final answer
   x = 173,456.88