Finding the Third Proportional to 40,786.50 and 57,438

Step by Step Solution

1. Step 1: Write the proportion equation
   40,786.50 : 57,438 = 57,438 : x
2. Step 2: Convert to fraction form
   40,786.50/57,438 = 57,438/x
3. Step 3: Cross multiply
   40,786.50x = 57,438 × 57,438
4. Step 4: Simplify right side
   40,786.50x = 3,299,123,844
5. Step 5: Solve for x
   x = 3,299,123,844/40,786.50
6. Step 6: Final answer
   x = 80,887.64