Finding the Third Proportional to 4,440,144 and 9,626,784

Step by Step Solution

1. Step 1: Write the proportion equation
   4,440,144 : 9,626,784 = 9,626,784 : x
2. Step 2: Convert to fraction form
   4,440,144/9,626,784 = 9,626,784/x
3. Step 3: Cross multiply
   4,440,144x = 9,626,784 × 9,626,784
4. Step 4: Simplify right side
   4,440,144x = 92,674,970,182,656
5. Step 5: Solve for x
   x = 92,674,970,182,656/4,440,144
6. Step 6: Final answer
   x = 20,872,064.10