Finding the Third Proportional to 1,213,452 and 2,648,088

Step by Step Solution

1. Step 1: Write the proportion equation
   1,213,452 : 2,648,088 = 2,648,088 : x
2. Step 2: Convert to fraction form
   1,213,452/2,648,088 = 2,648,088/x
3. Step 3: Cross multiply
   1,213,452x = 2,648,088 × 2,648,088
4. Step 4: Simplify right side
   1,213,452x = 7,012,370,055,744
5. Step 5: Solve for x
   x = 7,012,370,055,744/1,213,452
6. Step 6: Final answer
   x = 5,778,860.68