Finding the Third Proportional to 3,217,980 and 4,771,308

Step by Step Solution

1. Step 1: Write the proportion equation
   3,217,980 : 4,771,308 = 4,771,308 : x
2. Step 2: Convert to fraction form
   3,217,980/4,771,308 = 4,771,308/x
3. Step 3: Cross multiply
   3,217,980x = 4,771,308 × 4,771,308
4. Step 4: Simplify right side
   3,217,980x = 22,765,380,030,864
5. Step 5: Solve for x
   x = 22,765,380,030,864/3,217,980
6. Step 6: Final answer
   x = 7,074,431.80