Finding the Third Proportional to 7,836,467 and 16,621,123

Step by Step Solution

1. Step 1: Write the proportion equation
   7,836,467 : 16,621,123 = 16,621,123 : x
2. Step 2: Convert to fraction form
   7,836,467/16,621,123 = 16,621,123/x
3. Step 3: Cross multiply
   7,836,467x = 16,621,123 × 16,621,123
4. Step 4: Simplify right side
   7,836,467x = 276,261,729,781,129
5. Step 5: Solve for x
   x = 276,261,729,781,129/7,836,467
6. Step 6: Final answer
   x = 35,253,352.02