Finding the Third Proportional to 32,856 and 70,872

Step by Step Solution

1. Step 1: Write the proportion equation
   32,856 : 70,872 = 70,872 : x
2. Step 2: Convert to fraction form
   32,856/70,872 = 70,872/x
3. Step 3: Cross multiply
   32,856x = 70,872 × 70,872
4. Step 4: Simplify right side
   32,856x = 5,022,840,384
5. Step 5: Solve for x
   x = 5,022,840,384/32,856
6. Step 6: Final answer
   x = 152,874.37