Finding the Third Proportional to 2,239,686 and 4,852,620

Step by Step Solution

1. Step 1: Write the proportion equation
   2,239,686 : 4,852,620 = 4,852,620 : x
2. Step 2: Convert to fraction form
   2,239,686/4,852,620 = 4,852,620/x
3. Step 3: Cross multiply
   2,239,686x = 4,852,620 × 4,852,620
4. Step 4: Simplify right side
   2,239,686x = 23,547,920,864,400
5. Step 5: Solve for x
   x = 23,547,920,864,400/2,239,686
6. Step 6: Final answer
   x = 10,513,938.50