Finding the Third Proportional to 39,398 and 58,521

Step by Step Solution

1. Step 1: Write the proportion equation
   39,398 : 58,521 = 58,521 : x
2. Step 2: Convert to fraction form
   39,398/58,521 = 58,521/x
3. Step 3: Cross multiply
   39,398x = 58,521 × 58,521
4. Step 4: Simplify right side
   39,398x = 3,424,707,441
5. Step 5: Solve for x
   x = 3,424,707,441/39,398
6. Step 6: Final answer
   x = 86,925.92