Finding the Third Proportional to 2,115,558 and 4,651,020

Step by Step Solution

1. Step 1: Write the proportion equation
   2,115,558 : 4,651,020 = 4,651,020 : x
2. Step 2: Convert to fraction form
   2,115,558/4,651,020 = 4,651,020/x
3. Step 3: Cross multiply
   2,115,558x = 4,651,020 × 4,651,020
4. Step 4: Simplify right side
   2,115,558x = 21,631,987,040,400
5. Step 5: Solve for x
   x = 21,631,987,040,400/2,115,558
6. Step 6: Final answer
   x = 10,225,192.14