Finding the Third Proportional to 39,474 and 57,510

Step by Step Solution

1. Step 1: Write the proportion equation
   39,474 : 57,510 = 57,510 : x
2. Step 2: Convert to fraction form
   39,474/57,510 = 57,510/x
3. Step 3: Cross multiply
   39,474x = 57,510 × 57,510
4. Step 4: Simplify right side
   39,474x = 3,307,400,100
5. Step 5: Solve for x
   x = 3,307,400,100/39,474
6. Step 6: Final answer
   x = 83,786.80