Finding the Third Proportional to 2,243,622 and 4,865,820

Step by Step Solution

1. Step 1: Write the proportion equation
   2,243,622 : 4,865,820 = 4,865,820 : x
2. Step 2: Convert to fraction form
   2,243,622/4,865,820 = 4,865,820/x
3. Step 3: Cross multiply
   2,243,622x = 4,865,820 × 4,865,820
4. Step 4: Simplify right side
   2,243,622x = 23,676,204,272,400
5. Step 5: Solve for x
   x = 23,676,204,272,400/2,243,622
6. Step 6: Final answer
   x = 10,552,670.76