Finding the Third Proportional to 140,022 and 299,484

Step by Step Solution

1. Step 1: Write the proportion equation
   140,022 : 299,484 = 299,484 : x
2. Step 2: Convert to fraction form
   140,022/299,484 = 299,484/x
3. Step 3: Cross multiply
   140,022x = 299,484 × 299,484
4. Step 4: Simplify right side
   140,022x = 89,690,666,256
5. Step 5: Solve for x
   x = 89,690,666,256/140,022
6. Step 6: Final answer
   x = 640,546.96