Finding the Third Proportional to 12,206,728 and 18,884,064

Step by Step Solution

1. Step 1: Write the proportion equation
   12,206,728 : 18,884,064 = 18,884,064 : x
2. Step 2: Convert to fraction form
   12,206,728/18,884,064 = 18,884,064/x
3. Step 3: Cross multiply
   12,206,728x = 18,884,064 × 18,884,064
4. Step 4: Simplify right side
   12,206,728x = 356,607,873,156,096
5. Step 5: Solve for x
   x = 356,607,873,156,096/12,206,728
6. Step 6: Final answer
   x = 29,214,042.71