Finding the Third Proportional to 63,772.31 and 139,026.38

Step by Step Solution

1. Step 1: Write the proportion equation
   63,772.31 : 139,026.38 = 139,026.38 : x
2. Step 2: Convert to fraction form
   63,772.31/139,026.38 = 139,026.38/x
3. Step 3: Cross multiply
   63,772.31x = 139,026.38 × 139,026.38
4. Step 4: Simplify right side
   63,772.31x = 19,328,332,945.64
5. Step 5: Solve for x
   x = 19,328,332,945.64/63,772.31
6. Step 6: Final answer
   x = 303,083.46