Finding the Third Proportional to 1,781,018 and 4,199,974

Step by Step Solution

1. Step 1: Write the proportion equation
   1,781,018 : 4,199,974 = 4,199,974 : x
2. Step 2: Convert to fraction form
   1,781,018/4,199,974 = 4,199,974/x
3. Step 3: Cross multiply
   1,781,018x = 4,199,974 × 4,199,974
4. Step 4: Simplify right side
   1,781,018x = 17,639,781,600,676
5. Step 5: Solve for x
   x = 17,639,781,600,676/1,781,018
6. Step 6: Final answer
   x = 9,904,325.28