Finding the Third Proportional to 54,421.88 and 84,088.13

Step by Step Solution

1. Step 1: Write the proportion equation
   54,421.88 : 84,088.13 = 84,088.13 : x
2. Step 2: Convert to fraction form
   54,421.88/84,088.13 = 84,088.13/x
3. Step 3: Cross multiply
   54,421.88x = 84,088.13 × 84,088.13
4. Step 4: Simplify right side
   54,421.88x = 7,070,812,766.02
5. Step 5: Solve for x
   x = 7,070,812,766.02/54,421.88
6. Step 6: Final answer
   x = 129,925.93