Finding the Third Proportional to 1,273,748 and 1,858,116

Step by Step Solution

1. Step 1: Write the proportion equation
   1,273,748 : 1,858,116 = 1,858,116 : x
2. Step 2: Convert to fraction form
   1,273,748/1,858,116 = 1,858,116/x
3. Step 3: Cross multiply
   1,273,748x = 1,858,116 × 1,858,116
4. Step 4: Simplify right side
   1,273,748x = 3,452,595,069,456
5. Step 5: Solve for x
   x = 3,452,595,069,456/1,273,748
6. Step 6: Final answer
   x = 2,710,579.38