Finding the Third Proportional to 2,243,019 and 4,920,290

Step by Step Solution

1. Step 1: Write the proportion equation
   2,243,019 : 4,920,290 = 4,920,290 : x
2. Step 2: Convert to fraction form
   2,243,019/4,920,290 = 4,920,290/x
3. Step 3: Cross multiply
   2,243,019x = 4,920,290 × 4,920,290
4. Step 4: Simplify right side
   2,243,019x = 24,209,253,684,100
5. Step 5: Solve for x
   x = 24,209,253,684,100/2,243,019
6. Step 6: Final answer
   x = 10,793,155.87