Finding the Third Proportional to 63,792 and 139,677.75

Step by Step Solution

1. Step 1: Write the proportion equation
   63,792 : 139,677.75 = 139,677.75 : x
2. Step 2: Convert to fraction form
   63,792/139,677.75 = 139,677.75/x
3. Step 3: Cross multiply
   63,792x = 139,677.75 × 139,677.75
4. Step 4: Simplify right side
   63,792x = 19,509,873,845.06
5. Step 5: Solve for x
   x = 19,509,873,845.06/63,792
6. Step 6: Final answer
   x = 305,835.75