Finding the Third Proportional to 8,682,392 and 18,907,672

Step by Step Solution

1. Step 1: Write the proportion equation
   8,682,392 : 18,907,672 = 18,907,672 : x
2. Step 2: Convert to fraction form
   8,682,392/18,907,672 = 18,907,672/x
3. Step 3: Cross multiply
   8,682,392x = 18,907,672 × 18,907,672
4. Step 4: Simplify right side
   8,682,392x = 357,500,060,459,584
5. Step 5: Solve for x
   x = 357,500,060,459,584/8,682,392
6. Step 6: Final answer
   x = 41,175,295.99