Finding the Third Proportional to 1,216,850 and 1,891,648

Step by Step Solution

1. Step 1: Write the proportion equation
   1,216,850 : 1,891,648 = 1,891,648 : x
2. Step 2: Convert to fraction form
   1,216,850/1,891,648 = 1,891,648/x
3. Step 3: Cross multiply
   1,216,850x = 1,891,648 × 1,891,648
4. Step 4: Simplify right side
   1,216,850x = 3,578,332,155,904
5. Step 5: Solve for x
   x = 3,578,332,155,904/1,216,850
6. Step 6: Final answer
   x = 2,940,651.81