Finding the Third Proportional to 1,422,603 and 2,713,986

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422,603 : 2,713,986 = 2,713,986 : x
2. Step 2: Convert to fraction form
   1,422,603/2,713,986 = 2,713,986/x
3. Step 3: Cross multiply
   1,422,603x = 2,713,986 × 2,713,986
4. Step 4: Simplify right side
   1,422,603x = 7,365,720,008,196
5. Step 5: Solve for x
   x = 7,365,720,008,196/1,422,603
6. Step 6: Final answer
   x = 5,177,635.65