Finding the Third Proportional to 10,644,116 and 16,674,990

Step by Step Solution

1. Step 1: Write the proportion equation
   10,644,116 : 16,674,990 = 16,674,990 : x
2. Step 2: Convert to fraction form
   10,644,116/16,674,990 = 16,674,990/x
3. Step 3: Cross multiply
   10,644,116x = 16,674,990 × 16,674,990
4. Step 4: Simplify right side
   10,644,116x = 278,055,291,500,100
5. Step 5: Solve for x
   x = 278,055,291,500,100/10,644,116
6. Step 6: Final answer
   x = 26,122,910.68