Finding the Third Proportional to 2,028,100 and 4,390,856

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028,100 : 4,390,856 = 4,390,856 : x
2. Step 2: Convert to fraction form
   2,028,100/4,390,856 = 4,390,856/x
3. Step 3: Cross multiply
   2,028,100x = 4,390,856 × 4,390,856
4. Step 4: Simplify right side
   2,028,100x = 19,279,616,412,736
5. Step 5: Solve for x
   x = 19,279,616,412,736/2,028,100
6. Step 6: Final answer
   x = 9,506,245.46