Finding the Third Proportional to 3,478,476 and 5,201,722

Step by Step Solution

1. Step 1: Write the proportion equation
   3,478,476 : 5,201,722 = 5,201,722 : x
2. Step 2: Convert to fraction form
   3,478,476/5,201,722 = 5,201,722/x
3. Step 3: Cross multiply
   3,478,476x = 5,201,722 × 5,201,722
4. Step 4: Simplify right side
   3,478,476x = 27,057,911,765,284
5. Step 5: Solve for x
   x = 27,057,911,765,284/3,478,476
6. Step 6: Final answer
   x = 7,778,668.52