Finding the Third Proportional to 6,631,540 and 10,545,144

Step by Step Solution

1. Step 1: Write the proportion equation
   6,631,540 : 10,545,144 = 10,545,144 : x
2. Step 2: Convert to fraction form
   6,631,540/10,545,144 = 10,545,144/x
3. Step 3: Cross multiply
   6,631,540x = 10,545,144 × 10,545,144
4. Step 4: Simplify right side
   6,631,540x = 111,200,061,980,736
5. Step 5: Solve for x
   x = 111,200,061,980,736/6,631,540
6. Step 6: Final answer
   x = 16,768,361.80