Finding the Third Proportional to 5,199,184 and 10,555,833

Step by Step Solution

1. Step 1: Write the proportion equation
   5,199,184 : 10,555,833 = 10,555,833 : x
2. Step 2: Convert to fraction form
   5,199,184/10,555,833 = 10,555,833/x
3. Step 3: Cross multiply
   5,199,184x = 10,555,833 × 10,555,833
4. Step 4: Simplify right side
   5,199,184x = 111,425,610,323,889
5. Step 5: Solve for x
   x = 111,425,610,323,889/5,199,184
6. Step 6: Final answer
   x = 21,431,365.06