Finding the Third Proportional to 54,331.13 and 83,111.25

Step by Step Solution

1. Step 1: Write the proportion equation
   54,331.13 : 83,111.25 = 83,111.25 : x
2. Step 2: Convert to fraction form
   54,331.13/83,111.25 = 83,111.25/x
3. Step 3: Cross multiply
   54,331.13x = 83,111.25 × 83,111.25
4. Step 4: Simplify right side
   54,331.13x = 6,907,479,876.56
5. Step 5: Solve for x
   x = 6,907,479,876.56/54,331.13
6. Step 6: Final answer
   x = 127,136.70