Finding the Third Proportional to 4,427,086 and 9,674,284

Step by Step Solution

1. Step 1: Write the proportion equation
   4,427,086 : 9,674,284 = 9,674,284 : x
2. Step 2: Convert to fraction form
   4,427,086/9,674,284 = 9,674,284/x
3. Step 3: Cross multiply
   4,427,086x = 9,674,284 × 9,674,284
4. Step 4: Simplify right side
   4,427,086x = 93,591,770,912,656
5. Step 5: Solve for x
   x = 93,591,770,912,656/4,427,086
6. Step 6: Final answer
   x = 21,140,716.70