Finding the Third Proportional to 40,206.38 and 59,105.81

Step by Step Solution

1. Step 1: Write the proportion equation
   40,206.38 : 59,105.81 = 59,105.81 : x
2. Step 2: Convert to fraction form
   40,206.38/59,105.81 = 59,105.81/x
3. Step 3: Cross multiply
   40,206.38x = 59,105.81 × 59,105.81
4. Step 4: Simplify right side
   40,206.38x = 3,493,497,071.29
5. Step 5: Solve for x
   x = 3,493,497,071.29/40,206.38
6. Step 6: Final answer
   x = 86,889.13