Finding the Third Proportional to 3,867,314 and 8,294,212

Step by Step Solution

1. Step 1: Write the proportion equation
   3,867,314 : 8,294,212 = 8,294,212 : x
2. Step 2: Convert to fraction form
   3,867,314/8,294,212 = 8,294,212/x
3. Step 3: Cross multiply
   3,867,314x = 8,294,212 × 8,294,212
4. Step 4: Simplify right side
   3,867,314x = 68,793,952,700,944
5. Step 5: Solve for x
   x = 68,793,952,700,944/3,867,314
6. Step 6: Final answer
   x = 17,788,561.44