Finding the Third Proportional to 132,870 and 283,478

Step by Step Solution

1. Step 1: Write the proportion equation
   132,870 : 283,478 = 283,478 : x
2. Step 2: Convert to fraction form
   132,870/283,478 = 283,478/x
3. Step 3: Cross multiply
   132,870x = 283,478 × 283,478
4. Step 4: Simplify right side
   132,870x = 80,359,776,484
5. Step 5: Solve for x
   x = 80,359,776,484/132,870
6. Step 6: Final answer
   x = 604,800.00