Finding the Third Proportional to 6,426,144 and 13,910,240

Step by Step Solution

1. Step 1: Write the proportion equation
   6,426,144 : 13,910,240 = 13,910,240 : x
2. Step 2: Convert to fraction form
   6,426,144/13,910,240 = 13,910,240/x
3. Step 3: Cross multiply
   6,426,144x = 13,910,240 × 13,910,240
4. Step 4: Simplify right side
   6,426,144x = 193,494,776,857,600
5. Step 5: Solve for x
   x = 193,494,776,857,600/6,426,144
6. Step 6: Final answer
   x = 30,110,557.26