Finding the Third Proportional to 67,872.94 and 81,496.13

Step by Step Solution

1. Step 1: Write the proportion equation
   67,872.94 : 81,496.13 = 81,496.13 : x
2. Step 2: Convert to fraction form
   67,872.94/81,496.13 = 81,496.13/x
3. Step 3: Cross multiply
   67,872.94x = 81,496.13 × 81,496.13
4. Step 4: Simplify right side
   67,872.94x = 6,641,618,390.02
5. Step 5: Solve for x
   x = 6,641,618,390.02/67,872.94
6. Step 6: Final answer
   x = 97,853.70