Finding the Third Proportional to 6,388,840 and 13,855,627

Step by Step Solution

1. Step 1: Write the proportion equation
   6,388,840 : 13,855,627 = 13,855,627 : x
2. Step 2: Convert to fraction form
   6,388,840/13,855,627 = 13,855,627/x
3. Step 3: Cross multiply
   6,388,840x = 13,855,627 × 13,855,627
4. Step 4: Simplify right side
   6,388,840x = 191,978,399,563,129
5. Step 5: Solve for x
   x = 191,978,399,563,129/6,388,840
6. Step 6: Final answer
   x = 30,049,022.92