Finding the Third Proportional to 91,340 and 143,320

Step by Step Solution

1. Step 1: Write the proportion equation
   91,340 : 143,320 = 143,320 : x
2. Step 2: Convert to fraction form
   91,340/143,320 = 143,320/x
3. Step 3: Cross multiply
   91,340x = 143,320 × 143,320
4. Step 4: Simplify right side
   91,340x = 20,540,622,400
5. Step 5: Solve for x
   x = 20,540,622,400/91,340
6. Step 6: Final answer
   x = 224,880.91