Finding the Third Proportional to 132,347 and 288,022

Step by Step Solution

1. Step 1: Write the proportion equation
   132,347 : 288,022 = 288,022 : x
2. Step 2: Convert to fraction form
   132,347/288,022 = 288,022/x
3. Step 3: Cross multiply
   132,347x = 288,022 × 288,022
4. Step 4: Simplify right side
   132,347x = 82,956,672,484
5. Step 5: Solve for x
   x = 82,956,672,484/132,347
6. Step 6: Final answer
   x = 626,811.88