Finding the Third Proportional to 96,139 and 143,422

Step by Step Solution

1. Step 1: Write the proportion equation
   96,139 : 143,422 = 143,422 : x
2. Step 2: Convert to fraction form
   96,139/143,422 = 143,422/x
3. Step 3: Cross multiply
   96,139x = 143,422 × 143,422
4. Step 4: Simplify right side
   96,139x = 20,569,870,084
5. Step 5: Solve for x
   x = 20,569,870,084/96,139
6. Step 6: Final answer
   x = 213,959.68