Finding the Third Proportional to 8,892,144 and 13,777,512

Step by Step Solution

1. Step 1: Write the proportion equation
   8,892,144 : 13,777,512 = 13,777,512 : x
2. Step 2: Convert to fraction form
   8,892,144/13,777,512 = 13,777,512/x
3. Step 3: Cross multiply
   8,892,144x = 13,777,512 × 13,777,512
4. Step 4: Simplify right side
   8,892,144x = 189,819,836,910,144
5. Step 5: Solve for x
   x = 189,819,836,910,144/8,892,144
6. Step 6: Final answer
   x = 21,346,914.41