Finding the Third Proportional to 6,426,728 and 13,386,112

Step by Step Solution

1. Step 1: Write the proportion equation
   6,426,728 : 13,386,112 = 13,386,112 : x
2. Step 2: Convert to fraction form
   6,426,728/13,386,112 = 13,386,112/x
3. Step 3: Cross multiply
   6,426,728x = 13,386,112 × 13,386,112
4. Step 4: Simplify right side
   6,426,728x = 179,187,994,476,544
5. Step 5: Solve for x
   x = 179,187,994,476,544/6,426,728
6. Step 6: Final answer
   x = 27,881,683.26