Finding the Third Proportional to 43,981.50 and 68,131

Step by Step Solution

1. Step 1: Write the proportion equation
   43,981.50 : 68,131 = 68,131 : x
2. Step 2: Convert to fraction form
   43,981.50/68,131 = 68,131/x
3. Step 3: Cross multiply
   43,981.50x = 68,131 × 68,131
4. Step 4: Simplify right side
   43,981.50x = 4,641,833,161
5. Step 5: Solve for x
   x = 4,641,833,161/43,981.50
6. Step 6: Final answer
   x = 105,540.58