Finding the Third Proportional to 1,206,774 and 1,789,278

Step by Step Solution

1. Step 1: Write the proportion equation
   1,206,774 : 1,789,278 = 1,789,278 : x
2. Step 2: Convert to fraction form
   1,206,774/1,789,278 = 1,789,278/x
3. Step 3: Cross multiply
   1,206,774x = 1,789,278 × 1,789,278
4. Step 4: Simplify right side
   1,206,774x = 3,201,515,761,284
5. Step 5: Solve for x
   x = 3,201,515,761,284/1,206,774
6. Step 6: Final answer
   x = 2,652,953.88