Finding the Third Proportional to 2,278,572 and 4,917,404

Step by Step Solution

1. Step 1: Write the proportion equation
   2,278,572 : 4,917,404 = 4,917,404 : x
2. Step 2: Convert to fraction form
   2,278,572/4,917,404 = 4,917,404/x
3. Step 3: Cross multiply
   2,278,572x = 4,917,404 × 4,917,404
4. Step 4: Simplify right side
   2,278,572x = 24,180,862,099,216
5. Step 5: Solve for x
   x = 24,180,862,099,216/2,278,572
6. Step 6: Final answer
   x = 10,612,287.92