Finding the Third Proportional to 63,587.25 and 139,656.38

Step by Step Solution

1. Step 1: Write the proportion equation
   63,587.25 : 139,656.38 = 139,656.38 : x
2. Step 2: Convert to fraction form
   63,587.25/139,656.38 = 139,656.38/x
3. Step 3: Cross multiply
   63,587.25x = 139,656.38 × 139,656.38
4. Step 4: Simplify right side
   63,587.25x = 19,503,903,078.14
5. Step 5: Solve for x
   x = 19,503,903,078.14/63,587.25
6. Step 6: Final answer
   x = 306,726.63