Finding the Third Proportional to 1,261,469 and 1,891,807

Step by Step Solution

1. Step 1: Write the proportion equation
   1,261,469 : 1,891,807 = 1,891,807 : x
2. Step 2: Convert to fraction form
   1,261,469/1,891,807 = 1,891,807/x
3. Step 3: Cross multiply
   1,261,469x = 1,891,807 × 1,891,807
4. Step 4: Simplify right side
   1,261,469x = 3,578,933,725,249
5. Step 5: Solve for x
   x = 3,578,933,725,249/1,261,469
6. Step 6: Final answer
   x = 2,837,115.87