Finding the Third Proportional to 9,984,861 and 21,560,760

Step by Step Solution

1. Step 1: Write the proportion equation
   9,984,861 : 21,560,760 = 21,560,760 : x
2. Step 2: Convert to fraction form
   9,984,861/21,560,760 = 21,560,760/x
3. Step 3: Cross multiply
   9,984,861x = 21,560,760 × 21,560,760
4. Step 4: Simplify right side
   9,984,861x = 464,866,371,777,600
5. Step 5: Solve for x
   x = 464,866,371,777,600/9,984,861
6. Step 6: Final answer
   x = 46,557,120.00