Finding the Third Proportional to 85,363.88 and 122,961.38

Step by Step Solution

1. Step 1: Write the proportion equation
   85,363.88 : 122,961.38 = 122,961.38 : x
2. Step 2: Convert to fraction form
   85,363.88/122,961.38 = 122,961.38/x
3. Step 3: Cross multiply
   85,363.88x = 122,961.38 × 122,961.38
4. Step 4: Simplify right side
   85,363.88x = 15,119,499,741.89
5. Step 5: Solve for x
   x = 15,119,499,741.89/85,363.88
6. Step 6: Final answer
   x = 177,118.25