Finding the Third Proportional to 40,398 and 58,545

Step by Step Solution

1. Step 1: Write the proportion equation
   40,398 : 58,545 = 58,545 : x
2. Step 2: Convert to fraction form
   40,398/58,545 = 58,545/x
3. Step 3: Cross multiply
   40,398x = 58,545 × 58,545
4. Step 4: Simplify right side
   40,398x = 3,427,517,025
5. Step 5: Solve for x
   x = 3,427,517,025/40,398
6. Step 6: Final answer
   x = 84,843.73