Finding the Third Proportional to 63,680 and 96,978

Step by Step Solution

1. Step 1: Write the proportion equation
   63,680 : 96,978 = 96,978 : x
2. Step 2: Convert to fraction form
   63,680/96,978 = 96,978/x
3. Step 3: Cross multiply
   63,680x = 96,978 × 96,978
4. Step 4: Simplify right side
   63,680x = 9,404,732,484
5. Step 5: Solve for x
   x = 9,404,732,484/63,680
6. Step 6: Final answer
   x = 147,687.38