Finding the Third Proportional to 2,152,872 and 5,074,920

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152,872 : 5,074,920 = 5,074,920 : x
2. Step 2: Convert to fraction form
   2,152,872/5,074,920 = 5,074,920/x
3. Step 3: Cross multiply
   2,152,872x = 5,074,920 × 5,074,920
4. Step 4: Simplify right side
   2,152,872x = 25,754,813,006,400
5. Step 5: Solve for x
   x = 25,754,813,006,400/2,152,872
6. Step 6: Final answer
   x = 11,963,002.45