Finding the Third Proportional to 4,700,592 and 9,809,856

Step by Step Solution

1. Step 1: Write the proportion equation
   4,700,592 : 9,809,856 = 9,809,856 : x
2. Step 2: Convert to fraction form
   4,700,592/9,809,856 = 9,809,856/x
3. Step 3: Cross multiply
   4,700,592x = 9,809,856 × 9,809,856
4. Step 4: Simplify right side
   4,700,592x = 96,233,274,740,736
5. Step 5: Solve for x
   x = 96,233,274,740,736/4,700,592
6. Step 6: Final answer
   x = 20,472,586.16