Finding the Third Proportional to 3,858,445 and 5,672,212

Step by Step Solution

1. Step 1: Write the proportion equation
   3,858,445 : 5,672,212 = 5,672,212 : x
2. Step 2: Convert to fraction form
   3,858,445/5,672,212 = 5,672,212/x
3. Step 3: Cross multiply
   3,858,445x = 5,672,212 × 5,672,212
4. Step 4: Simplify right side
   3,858,445x = 32,173,988,972,944
5. Step 5: Solve for x
   x = 32,173,988,972,944/3,858,445
6. Step 6: Final answer
   x = 8,338,589.50