Finding the Third Proportional to 88,072.50 and 117,981

Step by Step Solution

1. Step 1: Write the proportion equation
   88,072.50 : 117,981 = 117,981 : x
2. Step 2: Convert to fraction form
   88,072.50/117,981 = 117,981/x
3. Step 3: Cross multiply
   88,072.50x = 117,981 × 117,981
4. Step 4: Simplify right side
   88,072.50x = 13,919,516,361
5. Step 5: Solve for x
   x = 13,919,516,361/88,072.50
6. Step 6: Final answer
   x = 158,046.11