Finding the Third Proportional to 57,992 and 88,860

Step by Step Solution

1. Step 1: Write the proportion equation
   57,992 : 88,860 = 88,860 : x
2. Step 2: Convert to fraction form
   57,992/88,860 = 88,860/x
3. Step 3: Cross multiply
   57,992x = 88,860 × 88,860
4. Step 4: Simplify right side
   57,992x = 7,896,099,600
5. Step 5: Solve for x
   x = 7,896,099,600/57,992
6. Step 6: Final answer
   x = 136,158.43