Finding the Third Proportional to 88,068 and 136,422

Step by Step Solution

1. Step 1: Write the proportion equation
   88,068 : 136,422 = 136,422 : x
2. Step 2: Convert to fraction form
   88,068/136,422 = 136,422/x
3. Step 3: Cross multiply
   88,068x = 136,422 × 136,422
4. Step 4: Simplify right side
   88,068x = 18,610,962,084
5. Step 5: Solve for x
   x = 18,610,962,084/88,068
6. Step 6: Final answer
   x = 211,324.91