Finding the Third Proportional to 54,404.16 and 83,216.53

Step by Step Solution

1. Step 1: Write the proportion equation
   54,404.16 : 83,216.53 = 83,216.53 : x
2. Step 2: Convert to fraction form
   54,404.16/83,216.53 = 83,216.53/x
3. Step 3: Cross multiply
   54,404.16x = 83,216.53 × 83,216.53
4. Step 4: Simplify right side
   54,404.16x = 6,924,991,073.28
5. Step 5: Solve for x
   x = 6,924,991,073.28/54,404.16
6. Step 6: Final answer
   x = 127,287.91