Finding the Third Proportional to 47,724.19 and 81,496.13

Step by Step Solution

1. Step 1: Write the proportion equation
   47,724.19 : 81,496.13 = 81,496.13 : x
2. Step 2: Convert to fraction form
   47,724.19/81,496.13 = 81,496.13/x
3. Step 3: Cross multiply
   47,724.19x = 81,496.13 × 81,496.13
4. Step 4: Simplify right side
   47,724.19x = 6,641,618,390.02
5. Step 5: Solve for x
   x = 6,641,618,390.02/47,724.19
6. Step 6: Final answer
   x = 139,166.71