Finding the Third Proportional to 4,571,838 and 9,773,496

Step by Step Solution

1. Step 1: Write the proportion equation
   4,571,838 : 9,773,496 = 9,773,496 : x
2. Step 2: Convert to fraction form
   4,571,838/9,773,496 = 9,773,496/x
3. Step 3: Cross multiply
   4,571,838x = 9,773,496 × 9,773,496
4. Step 4: Simplify right side
   4,571,838x = 95,521,224,062,016
5. Step 5: Solve for x
   x = 95,521,224,062,016/4,571,838
6. Step 6: Final answer
   x = 20,893,396.50