Finding the Third Proportional to 39,288 and 58,788

Step by Step Solution

1. Step 1: Write the proportion equation
   39,288 : 58,788 = 58,788 : x
2. Step 2: Convert to fraction form
   39,288/58,788 = 58,788/x
3. Step 3: Cross multiply
   39,288x = 58,788 × 58,788
4. Step 4: Simplify right side
   39,288x = 3,456,028,944
5. Step 5: Solve for x
   x = 3,456,028,944/39,288
6. Step 6: Final answer
   x = 87,966.53