Finding the Third Proportional to 1,246,240 and 1,867,278

Step by Step Solution

1. Step 1: Write the proportion equation
   1,246,240 : 1,867,278 = 1,867,278 : x
2. Step 2: Convert to fraction form
   1,246,240/1,867,278 = 1,867,278/x
3. Step 3: Cross multiply
   1,246,240x = 1,867,278 × 1,867,278
4. Step 4: Simplify right side
   1,246,240x = 3,486,727,129,284
5. Step 5: Solve for x
   x = 3,486,727,129,284/1,246,240
6. Step 6: Final answer
   x = 2,797,797.48