Finding the Third Proportional to 140,103 and 307,422

Step by Step Solution

1. Step 1: Write the proportion equation
   140,103 : 307,422 = 307,422 : x
2. Step 2: Convert to fraction form
   140,103/307,422 = 307,422/x
3. Step 3: Cross multiply
   140,103x = 307,422 × 307,422
4. Step 4: Simplify right side
   140,103x = 94,508,286,084
5. Step 5: Solve for x
   x = 94,508,286,084/140,103
6. Step 6: Final answer
   x = 674,562.90