Finding the Third Proportional to 54,468 and 84,116.25

Step by Step Solution

1. Step 1: Write the proportion equation
   54,468 : 84,116.25 = 84,116.25 : x
2. Step 2: Convert to fraction form
   54,468/84,116.25 = 84,116.25/x
3. Step 3: Cross multiply
   54,468x = 84,116.25 × 84,116.25
4. Step 4: Simplify right side
   54,468x = 7,075,543,514.06
5. Step 5: Solve for x
   x = 7,075,543,514.06/54,468
6. Step 6: Final answer
   x = 129,902.76