Finding the Third Proportional to 1,331,320 and 2,911,472

Step by Step Solution

1. Step 1: Write the proportion equation
   1,331,320 : 2,911,472 = 2,911,472 : x
2. Step 2: Convert to fraction form
   1,331,320/2,911,472 = 2,911,472/x
3. Step 3: Cross multiply
   1,331,320x = 2,911,472 × 2,911,472
4. Step 4: Simplify right side
   1,331,320x = 8,476,669,206,784
5. Step 5: Solve for x
   x = 8,476,669,206,784/1,331,320
6. Step 6: Final answer
   x = 6,367,116.25