Finding the Third Proportional to 5,109,809 and 11,126,818

Step by Step Solution

1. Step 1: Write the proportion equation
   5,109,809 : 11,126,818 = 11,126,818 : x
2. Step 2: Convert to fraction form
   5,109,809/11,126,818 = 11,126,818/x
3. Step 3: Cross multiply
   5,109,809x = 11,126,818 × 11,126,818
4. Step 4: Simplify right side
   5,109,809x = 123,806,078,805,124
5. Step 5: Solve for x
   x = 123,806,078,805,124/5,109,809
6. Step 6: Final answer
   x = 24,229,101.09