Finding the Third Proportional to 54,445.50 and 81,084.38

Step by Step Solution

1. Step 1: Write the proportion equation
   54,445.50 : 81,084.38 = 81,084.38 : x
2. Step 2: Convert to fraction form
   54,445.50/81,084.38 = 81,084.38/x
3. Step 3: Cross multiply
   54,445.50x = 81,084.38 × 81,084.38
4. Step 4: Simplify right side
   54,445.50x = 6,574,675,869.14
5. Step 5: Solve for x
   x = 6,574,675,869.14/54,445.50
6. Step 6: Final answer
   x = 120,757.01