Finding the Third Proportional to 54,388 and 76,592

Step by Step Solution

1. Step 1: Write the proportion equation
   54,388 : 76,592 = 76,592 : x
2. Step 2: Convert to fraction form
   54,388/76,592 = 76,592/x
3. Step 3: Cross multiply
   54,388x = 76,592 × 76,592
4. Step 4: Simplify right side
   54,388x = 5,866,334,464
5. Step 5: Solve for x
   x = 5,866,334,464/54,388
6. Step 6: Final answer
   x = 107,860.82