Finding the Third Proportional to 1,188,921 and 2,576,986

Step by Step Solution

1. Step 1: Write the proportion equation
   1,188,921 : 2,576,986 = 2,576,986 : x
2. Step 2: Convert to fraction form
   1,188,921/2,576,986 = 2,576,986/x
3. Step 3: Cross multiply
   1,188,921x = 2,576,986 × 2,576,986
4. Step 4: Simplify right side
   1,188,921x = 6,640,856,844,196
5. Step 5: Solve for x
   x = 6,640,856,844,196/1,188,921
6. Step 6: Final answer
   x = 5,585,616.58