Finding the Third Proportional to 1,260,278 and 2,765,498

Step by Step Solution

1. Step 1: Write the proportion equation
   1,260,278 : 2,765,498 = 2,765,498 : x
2. Step 2: Convert to fraction form
   1,260,278/2,765,498 = 2,765,498/x
3. Step 3: Cross multiply
   1,260,278x = 2,765,498 × 2,765,498
4. Step 4: Simplify right side
   1,260,278x = 7,647,979,188,004
5. Step 5: Solve for x
   x = 7,647,979,188,004/1,260,278
6. Step 6: Final answer
   x = 6,068,485.83