Finding the Third Proportional to 3,452,191 and 5,178,290

Step by Step Solution

1. Step 1: Write the proportion equation
   3,452,191 : 5,178,290 = 5,178,290 : x
2. Step 2: Convert to fraction form
   3,452,191/5,178,290 = 5,178,290/x
3. Step 3: Cross multiply
   3,452,191x = 5,178,290 × 5,178,290
4. Step 4: Simplify right side
   3,452,191x = 26,814,687,324,100
5. Step 5: Solve for x
   x = 26,814,687,324,100/3,452,191
6. Step 6: Final answer
   x = 7,767,440.25