Finding the Third Proportional to 1,917,862 and 2,911,786

Step by Step Solution

1. Step 1: Write the proportion equation
   1,917,862 : 2,911,786 = 2,911,786 : x
2. Step 2: Convert to fraction form
   1,917,862/2,911,786 = 2,911,786/x
3. Step 3: Cross multiply
   1,917,862x = 2,911,786 × 2,911,786
4. Step 4: Simplify right side
   1,917,862x = 8,478,497,709,796
5. Step 5: Solve for x
   x = 8,478,497,709,796/1,917,862
6. Step 6: Final answer
   x = 4,420,806.98