Finding the Third Proportional to 1,205,838 and 1,919,457

Step by Step Solution

1. Step 1: Write the proportion equation
   1,205,838 : 1,919,457 = 1,919,457 : x
2. Step 2: Convert to fraction form
   1,205,838/1,919,457 = 1,919,457/x
3. Step 3: Cross multiply
   1,205,838x = 1,919,457 × 1,919,457
4. Step 4: Simplify right side
   1,205,838x = 3,684,315,174,849
5. Step 5: Solve for x
   x = 3,684,315,174,849/1,205,838
6. Step 6: Final answer
   x = 3,055,398.13