Finding the Third Proportional to 40,640 and 62,896

Step by Step Solution

1. Step 1: Write the proportion equation
   40,640 : 62,896 = 62,896 : x
2. Step 2: Convert to fraction form
   40,640/62,896 = 62,896/x
3. Step 3: Cross multiply
   40,640x = 62,896 × 62,896
4. Step 4: Simplify right side
   40,640x = 3,955,906,816
5. Step 5: Solve for x
   x = 3,955,906,816/40,640
6. Step 6: Final answer
   x = 97,340.23