Finding the Third Proportional to 54,261 and 84,008.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,261 : 84,008.50 = 84,008.50 : x
2. Step 2: Convert to fraction form
   54,261/84,008.50 = 84,008.50/x
3. Step 3: Cross multiply
   54,261x = 84,008.50 × 84,008.50
4. Step 4: Simplify right side
   54,261x = 7,057,428,072.25
5. Step 5: Solve for x
   x = 7,057,428,072.25/54,261
6. Step 6: Final answer
   x = 130,064.47