Finding the Third Proportional to 3,452,189 and 5,178,287

Step by Step Solution

1. Step 1: Write the proportion equation
   3,452,189 : 5,178,287 = 5,178,287 : x
2. Step 2: Convert to fraction form
   3,452,189/5,178,287 = 5,178,287/x
3. Step 3: Cross multiply
   3,452,189x = 5,178,287 × 5,178,287
4. Step 4: Simplify right side
   3,452,189x = 26,814,656,254,369
5. Step 5: Solve for x
   x = 26,814,656,254,369/3,452,189
6. Step 6: Final answer
   x = 7,767,435.75