Finding the Third Proportional to 2,243,148 and 4,864,890

Step by Step Solution

1. Step 1: Write the proportion equation
   2,243,148 : 4,864,890 = 4,864,890 : x
2. Step 2: Convert to fraction form
   2,243,148/4,864,890 = 4,864,890/x
3. Step 3: Cross multiply
   2,243,148x = 4,864,890 × 4,864,890
4. Step 4: Simplify right side
   2,243,148x = 23,667,154,712,100
5. Step 5: Solve for x
   x = 23,667,154,712,100/2,243,148
6. Step 6: Final answer
   x = 10,550,866.33