Finding the Third Proportional to 72,588 and 108,101.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,588 : 108,101.25 = 108,101.25 : x
2. Step 2: Convert to fraction form
   72,588/108,101.25 = 108,101.25/x
3. Step 3: Cross multiply
   72,588x = 108,101.25 × 108,101.25
4. Step 4: Simplify right side
   72,588x = 11,685,880,251.56
5. Step 5: Solve for x
   x = 11,685,880,251.56/72,588
6. Step 6: Final answer
   x = 160,989.15