Finding the Third Proportional to 4,440,148 and 9,626,792

Step by Step Solution

1. Step 1: Write the proportion equation
   4,440,148 : 9,626,792 = 9,626,792 : x
2. Step 2: Convert to fraction form
   4,440,148/9,626,792 = 9,626,792/x
3. Step 3: Cross multiply
   4,440,148x = 9,626,792 × 9,626,792
4. Step 4: Simplify right side
   4,440,148x = 92,675,124,211,264
5. Step 5: Solve for x
   x = 92,675,124,211,264/4,440,148
6. Step 6: Final answer
   x = 20,872,079.99