Finding the Third Proportional to 54,870.75 and 82,072.13

Step by Step Solution

1. Step 1: Write the proportion equation
   54,870.75 : 82,072.13 = 82,072.13 : x
2. Step 2: Convert to fraction form
   54,870.75/82,072.13 = 82,072.13/x
3. Step 3: Cross multiply
   54,870.75x = 82,072.13 × 82,072.13
4. Step 4: Simplify right side
   54,870.75x = 6,735,833,702.02
5. Step 5: Solve for x
   x = 6,735,833,702.02/54,870.75
6. Step 6: Final answer
   x = 122,758.19