Finding the Third Proportional to 3,906,321 and 8,569,010

Step by Step Solution

1. Step 1: Write the proportion equation
   3,906,321 : 8,569,010 = 8,569,010 : x
2. Step 2: Convert to fraction form
   3,906,321/8,569,010 = 8,569,010/x
3. Step 3: Cross multiply
   3,906,321x = 8,569,010 × 8,569,010
4. Step 4: Simplify right side
   3,906,321x = 73,427,932,380,100
5. Step 5: Solve for x
   x = 73,427,932,380,100/3,906,321
6. Step 6: Final answer
   x = 18,797,209.03