Finding the Third Proportional to 72,558.75 and 112,072.88

Step by Step Solution

1. Step 1: Write the proportion equation
   72,558.75 : 112,072.88 = 112,072.88 : x
2. Step 2: Convert to fraction form
   72,558.75/112,072.88 = 112,072.88/x
3. Step 3: Cross multiply
   72,558.75x = 112,072.88 × 112,072.88
4. Step 4: Simplify right side
   72,558.75x = 12,560,329,310.77
5. Step 5: Solve for x
   x = 12,560,329,310.77/72,558.75
6. Step 6: Final answer
   x = 173,105.65