Finding the Third Proportional to 54,269 and 83,862.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,269 : 83,862.50 = 83,862.50 : x
2. Step 2: Convert to fraction form
   54,269/83,862.50 = 83,862.50/x
3. Step 3: Cross multiply
   54,269x = 83,862.50 × 83,862.50
4. Step 4: Simplify right side
   54,269x = 7,032,918,906.25
5. Step 5: Solve for x
   x = 7,032,918,906.25/54,269
6. Step 6: Final answer
   x = 129,593.67