Finding the Third Proportional to 54,538.88 and 83,801.25

Step by Step Solution

1. Step 1: Write the proportion equation
   54,538.88 : 83,801.25 = 83,801.25 : x
2. Step 2: Convert to fraction form
   54,538.88/83,801.25 = 83,801.25/x
3. Step 3: Cross multiply
   54,538.88x = 83,801.25 × 83,801.25
4. Step 4: Simplify right side
   54,538.88x = 7,022,649,501.56
5. Step 5: Solve for x
   x = 7,022,649,501.56/54,538.88
6. Step 6: Final answer
   x = 128,764.11