Finding the Third Proportional to 3,478,459 and 5,201,695

Step by Step Solution

1. Step 1: Write the proportion equation
   3,478,459 : 5,201,695 = 5,201,695 : x
2. Step 2: Convert to fraction form
   3,478,459/5,201,695 = 5,201,695/x
3. Step 3: Cross multiply
   3,478,459x = 5,201,695 × 5,201,695
4. Step 4: Simplify right side
   3,478,459x = 27,057,630,873,025
5. Step 5: Solve for x
   x = 27,057,630,873,025/3,478,459
6. Step 6: Final answer
   x = 7,778,625.79