Finding the Third Proportional to 39,141.56 and 87,247.69

Step by Step Solution

1. Step 1: Write the proportion equation
   39,141.56 : 87,247.69 = 87,247.69 : x
2. Step 2: Convert to fraction form
   39,141.56/87,247.69 = 87,247.69/x
3. Step 3: Cross multiply
   39,141.56x = 87,247.69 × 87,247.69
4. Step 4: Simplify right side
   39,141.56x = 7,612,158,974.10
5. Step 5: Solve for x
   x = 7,612,158,974.10/39,141.56
6. Step 6: Final answer
   x = 194,477.65