Finding the Third Proportional to 62,978 and 88,058

Step by Step Solution

1. Step 1: Write the proportion equation
   62,978 : 88,058 = 88,058 : x
2. Step 2: Convert to fraction form
   62,978/88,058 = 88,058/x
3. Step 3: Cross multiply
   62,978x = 88,058 × 88,058
4. Step 4: Simplify right side
   62,978x = 7,754,211,364
5. Step 5: Solve for x
   x = 7,754,211,364/62,978
6. Step 6: Final answer
   x = 123,125.72