Finding the Third Proportional to 1,216,852 and 1,891,651

Step by Step Solution

1. Step 1: Write the proportion equation
   1,216,852 : 1,891,651 = 1,891,651 : x
2. Step 2: Convert to fraction form
   1,216,852/1,891,651 = 1,891,651/x
3. Step 3: Cross multiply
   1,216,852x = 1,891,651 × 1,891,651
4. Step 4: Simplify right side
   1,216,852x = 3,578,343,505,801
5. Step 5: Solve for x
   x = 3,578,343,505,801/1,216,852
6. Step 6: Final answer
   x = 2,940,656.30