Finding the Third Proportional to 131,472 and 200,484

Step by Step Solution

1. Step 1: Write the proportion equation
   131,472 : 200,484 = 200,484 : x
2. Step 2: Convert to fraction form
   131,472/200,484 = 200,484/x
3. Step 3: Cross multiply
   131,472x = 200,484 × 200,484
4. Step 4: Simplify right side
   131,472x = 40,193,834,256
5. Step 5: Solve for x
   x = 40,193,834,256/131,472
6. Step 6: Final answer
   x = 305,721.63