Finding the Third Proportional to 72,441.50 and 110,815

Step by Step Solution

1. Step 1: Write the proportion equation
   72,441.50 : 110,815 = 110,815 : x
2. Step 2: Convert to fraction form
   72,441.50/110,815 = 110,815/x
3. Step 3: Cross multiply
   72,441.50x = 110,815 × 110,815
4. Step 4: Simplify right side
   72,441.50x = 12,279,964,225
5. Step 5: Solve for x
   x = 12,279,964,225/72,441.50
6. Step 6: Final answer
   x = 169,515.60