Finding the Third Proportional to 2,171,480 and 2,855,472

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171,480 : 2,855,472 = 2,855,472 : x
2. Step 2: Convert to fraction form
   2,171,480/2,855,472 = 2,855,472/x
3. Step 3: Cross multiply
   2,171,480x = 2,855,472 × 2,855,472
4. Step 4: Simplify right side
   2,171,480x = 8,153,720,342,784
5. Step 5: Solve for x
   x = 8,153,720,342,784/2,171,480
6. Step 6: Final answer
   x = 3,754,913.86