Finding the Third Proportional to 3,613,171 and 7,856,198

Step by Step Solution

1. Step 1: Write the proportion equation
   3,613,171 : 7,856,198 = 7,856,198 : x
2. Step 2: Convert to fraction form
   3,613,171/7,856,198 = 7,856,198/x
3. Step 3: Cross multiply
   3,613,171x = 7,856,198 × 7,856,198
4. Step 4: Simplify right side
   3,613,171x = 61,719,847,015,204
5. Step 5: Solve for x
   x = 61,719,847,015,204/3,613,171
6. Step 6: Final answer
   x = 17,081,905.90