Finding the Third Proportional to 86,020.50 and 130,326

Step by Step Solution

1. Step 1: Write the proportion equation
   86,020.50 : 130,326 = 130,326 : x
2. Step 2: Convert to fraction form
   86,020.50/130,326 = 130,326/x
3. Step 3: Cross multiply
   86,020.50x = 130,326 × 130,326
4. Step 4: Simplify right side
   86,020.50x = 16,984,866,276
5. Step 5: Solve for x
   x = 16,984,866,276/86,020.50
6. Step 6: Final answer
   x = 197,451.38