Finding the Third Proportional to 296,920.69 and 647,427.94

Step by Step Solution

1. Step 1: Write the proportion equation
   296,920.69 : 647,427.94 = 647,427.94 : x
2. Step 2: Convert to fraction form
   296,920.69/647,427.94 = 647,427.94/x
3. Step 3: Cross multiply
   296,920.69x = 647,427.94 × 647,427.94
4. Step 4: Simplify right side
   296,920.69x = 419,162,934,255.50
5. Step 5: Solve for x
   x = 419,162,934,255.50/296,920.69
6. Step 6: Final answer
   x = 1,411,700.00