Finding the Third Proportional to 4,111,830 and 8,836,020

Step by Step Solution

1. Step 1: Write the proportion equation
   4,111,830 : 8,836,020 = 8,836,020 : x
2. Step 2: Convert to fraction form
   4,111,830/8,836,020 = 8,836,020/x
3. Step 3: Cross multiply
   4,111,830x = 8,836,020 × 8,836,020
4. Step 4: Simplify right side
   4,111,830x = 78,075,249,440,400
5. Step 5: Solve for x
   x = 78,075,249,440,400/4,111,830
6. Step 6: Final answer
   x = 18,987,956.56