Finding the Third Proportional to 2,243,818 and 4,829,780

Step by Step Solution

1. Step 1: Write the proportion equation
   2,243,818 : 4,829,780 = 4,829,780 : x
2. Step 2: Convert to fraction form
   2,243,818/4,829,780 = 4,829,780/x
3. Step 3: Cross multiply
   2,243,818x = 4,829,780 × 4,829,780
4. Step 4: Simplify right side
   2,243,818x = 23,326,774,848,400
5. Step 5: Solve for x
   x = 23,326,774,848,400/2,243,818
6. Step 6: Final answer
   x = 10,396,019.13