Finding the Third Proportional to 100,872.50 and 141,371

Step by Step Solution

1. Step 1: Write the proportion equation
   100,872.50 : 141,371 = 141,371 : x
2. Step 2: Convert to fraction form
   100,872.50/141,371 = 141,371/x
3. Step 3: Cross multiply
   100,872.50x = 141,371 × 141,371
4. Step 4: Simplify right side
   100,872.50x = 19,985,759,641
5. Step 5: Solve for x
   x = 19,985,759,641/100,872.50
6. Step 6: Final answer
   x = 198,128.92