Finding the Third Proportional to 13,816,984 and 21,672,105

Step by Step Solution

1. Step 1: Write the proportion equation
   13,816,984 : 21,672,105 = 21,672,105 : x
2. Step 2: Convert to fraction form
   13,816,984/21,672,105 = 21,672,105/x
3. Step 3: Cross multiply
   13,816,984x = 21,672,105 × 21,672,105
4. Step 4: Simplify right side
   13,816,984x = 469,680,135,131,025
5. Step 5: Solve for x
   x = 469,680,135,131,025/13,816,984
6. Step 6: Final answer
   x = 33,992,956.43