Finding the Third Proportional to 72,905.50 and 112,585

Step by Step Solution

1. Step 1: Write the proportion equation
   72,905.50 : 112,585 = 112,585 : x
2. Step 2: Convert to fraction form
   72,905.50/112,585 = 112,585/x
3. Step 3: Cross multiply
   72,905.50x = 112,585 × 112,585
4. Step 4: Simplify right side
   72,905.50x = 12,675,382,225
5. Step 5: Solve for x
   x = 12,675,382,225/72,905.50
6. Step 6: Final answer
   x = 173,860.44