Finding the Third Proportional to 1,198,557 and 2,574,986

Step by Step Solution

1. Step 1: Write the proportion equation
   1,198,557 : 2,574,986 = 2,574,986 : x
2. Step 2: Convert to fraction form
   1,198,557/2,574,986 = 2,574,986/x
3. Step 3: Cross multiply
   1,198,557x = 2,574,986 × 2,574,986
4. Step 4: Simplify right side
   1,198,557x = 6,630,552,900,196
5. Step 5: Solve for x
   x = 6,630,552,900,196/1,198,557
6. Step 6: Final answer
   x = 5,532,113.12