Finding the Third Proportional to 59,978 and 88,023

Step by Step Solution

1. Step 1: Write the proportion equation
   59,978 : 88,023 = 88,023 : x
2. Step 2: Convert to fraction form
   59,978/88,023 = 88,023/x
3. Step 3: Cross multiply
   59,978x = 88,023 × 88,023
4. Step 4: Simplify right side
   59,978x = 7,748,048,529
5. Step 5: Solve for x
   x = 7,748,048,529/59,978
6. Step 6: Final answer
   x = 129,181.51