Finding the Third Proportional to 4,778,180 and 10,396,166

Step by Step Solution

1. Step 1: Write the proportion equation
   4,778,180 : 10,396,166 = 10,396,166 : x
2. Step 2: Convert to fraction form
   4,778,180/10,396,166 = 10,396,166/x
3. Step 3: Cross multiply
   4,778,180x = 10,396,166 × 10,396,166
4. Step 4: Simplify right side
   4,778,180x = 108,080,267,499,556
5. Step 5: Solve for x
   x = 108,080,267,499,556/4,778,180
6. Step 6: Final answer
   x = 22,619,547.09