Finding the Third Proportional to 57,216 and 88,592

Step by Step Solution

1. Step 1: Write the proportion equation
   57,216 : 88,592 = 88,592 : x
2. Step 2: Convert to fraction form
   57,216/88,592 = 88,592/x
3. Step 3: Cross multiply
   57,216x = 88,592 × 88,592
4. Step 4: Simplify right side
   57,216x = 7,848,542,464
5. Step 5: Solve for x
   x = 7,848,542,464/57,216
6. Step 6: Final answer
   x = 137,173.91