Finding the Third Proportional to 3,215,028 and 4,495,086

Step by Step Solution

1. Step 1: Write the proportion equation
   3,215,028 : 4,495,086 = 4,495,086 : x
2. Step 2: Convert to fraction form
   3,215,028/4,495,086 = 4,495,086/x
3. Step 3: Cross multiply
   3,215,028x = 4,495,086 × 4,495,086
4. Step 4: Simplify right side
   3,215,028x = 20,205,798,147,396
5. Step 5: Solve for x
   x = 20,205,798,147,396/3,215,028
6. Step 6: Final answer
   x = 6,284,796.94