Finding the Third Proportional to 3,452,197 and 5,178,299

Step by Step Solution

1. Step 1: Write the proportion equation
   3,452,197 : 5,178,299 = 5,178,299 : x
2. Step 2: Convert to fraction form
   3,452,197/5,178,299 = 5,178,299/x
3. Step 3: Cross multiply
   3,452,197x = 5,178,299 × 5,178,299
4. Step 4: Simplify right side
   3,452,197x = 26,814,780,533,401
5. Step 5: Solve for x
   x = 26,814,780,533,401/3,452,197
6. Step 6: Final answer
   x = 7,767,453.75