Finding the Third Proportional to 39,500 and 87,004

Step by Step Solution

1. Step 1: Write the proportion equation
   39,500 : 87,004 = 87,004 : x
2. Step 2: Convert to fraction form
   39,500/87,004 = 87,004/x
3. Step 3: Cross multiply
   39,500x = 87,004 × 87,004
4. Step 4: Simplify right side
   39,500x = 7,569,696,016
5. Step 5: Solve for x
   x = 7,569,696,016/39,500
6. Step 6: Final answer
   x = 191,637.87