Finding the Third Proportional to 1,273,742 and 1,858,107

Step by Step Solution

1. Step 1: Write the proportion equation
   1,273,742 : 1,858,107 = 1,858,107 : x
2. Step 2: Convert to fraction form
   1,273,742/1,858,107 = 1,858,107/x
3. Step 3: Cross multiply
   1,273,742x = 1,858,107 × 1,858,107
4. Step 4: Simplify right side
   1,273,742x = 3,452,561,623,449
5. Step 5: Solve for x
   x = 3,452,561,623,449/1,273,742
6. Step 6: Final answer
   x = 2,710,565.89