Finding the Third Proportional to 86,856 and 130,932

Step by Step Solution

1. Step 1: Write the proportion equation
   86,856 : 130,932 = 130,932 : x
2. Step 2: Convert to fraction form
   86,856/130,932 = 130,932/x
3. Step 3: Cross multiply
   86,856x = 130,932 × 130,932
4. Step 4: Simplify right side
   86,856x = 17,143,188,624
5. Step 5: Solve for x
   x = 17,143,188,624/86,856
6. Step 6: Final answer
   x = 197,374.83