Finding the Third Proportional to 132,964 and 287,068

Step by Step Solution

1. Step 1: Write the proportion equation
   132,964 : 287,068 = 287,068 : x
2. Step 2: Convert to fraction form
   132,964/287,068 = 287,068/x
3. Step 3: Cross multiply
   132,964x = 287,068 × 287,068
4. Step 4: Simplify right side
   132,964x = 82,408,036,624
5. Step 5: Solve for x
   x = 82,408,036,624/132,964
6. Step 6: Final answer
   x = 619,777.06