Finding the Third Proportional to 81,492 and 107,200.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,492 : 107,200.50 = 107,200.50 : x
2. Step 2: Convert to fraction form
   81,492/107,200.50 = 107,200.50/x
3. Step 3: Cross multiply
   81,492x = 107,200.50 × 107,200.50
4. Step 4: Simplify right side
   81,492x = 11,491,947,200.25
5. Step 5: Solve for x
   x = 11,491,947,200.25/81,492
6. Step 6: Final answer
   x = 141,019.33