Finding the Third Proportional to 40,121.72 and 62,091.28

Step by Step Solution

1. Step 1: Write the proportion equation
   40,121.72 : 62,091.28 = 62,091.28 : x
2. Step 2: Convert to fraction form
   40,121.72/62,091.28 = 62,091.28/x
3. Step 3: Cross multiply
   40,121.72x = 62,091.28 × 62,091.28
4. Step 4: Simplify right side
   40,121.72x = 3,855,327,207.27
5. Step 5: Solve for x
   x = 3,855,327,207.27/40,121.72
6. Step 6: Final answer
   x = 96,090.78