Finding the Third Proportional to 4,448,066 and 9,711,760

Step by Step Solution

1. Step 1: Write the proportion equation
   4,448,066 : 9,711,760 = 9,711,760 : x
2. Step 2: Convert to fraction form
   4,448,066/9,711,760 = 9,711,760/x
3. Step 3: Cross multiply
   4,448,066x = 9,711,760 × 9,711,760
4. Step 4: Simplify right side
   4,448,066x = 94,318,282,297,600
5. Step 5: Solve for x
   x = 94,318,282,297,600/4,448,066
6. Step 6: Final answer
   x = 21,204,335.16