Finding the Third Proportional to 54,266.63 and 83,860.13

Step by Step Solution

1. Step 1: Write the proportion equation
   54,266.63 : 83,860.13 = 83,860.13 : x
2. Step 2: Convert to fraction form
   54,266.63/83,860.13 = 83,860.13/x
3. Step 3: Cross multiply
   54,266.63x = 83,860.13 × 83,860.13
4. Step 4: Simplify right side
   54,266.63x = 7,032,520,565.02
5. Step 5: Solve for x
   x = 7,032,520,565.02/54,266.63
6. Step 6: Final answer
   x = 129,592.00