Finding the Third Proportional to 4,487,832 and 9,816,930

Step by Step Solution

1. Step 1: Write the proportion equation
   4,487,832 : 9,816,930 = 9,816,930 : x
2. Step 2: Convert to fraction form
   4,487,832/9,816,930 = 9,816,930/x
3. Step 3: Cross multiply
   4,487,832x = 9,816,930 × 9,816,930
4. Step 4: Simplify right side
   4,487,832x = 96,372,114,624,900
5. Step 5: Solve for x
   x = 96,372,114,624,900/4,487,832
6. Step 6: Final answer
   x = 21,474,091.42