Finding the Third Proportional to 1,917,855 and 2,911,774

Step by Step Solution

1. Step 1: Write the proportion equation
   1,917,855 : 2,911,774 = 2,911,774 : x
2. Step 2: Convert to fraction form
   1,917,855/2,911,774 = 2,911,774/x
3. Step 3: Cross multiply
   1,917,855x = 2,911,774 × 2,911,774
4. Step 4: Simplify right side
   1,917,855x = 8,478,427,827,076
5. Step 5: Solve for x
   x = 8,478,427,827,076/1,917,855
6. Step 6: Final answer
   x = 4,420,786.67