Finding the Third Proportional to 9,123 and 19,977

Step by Step Solution

1. Step 1: Write the proportion equation
   9,123 : 19,977 = 19,977 : x
2. Step 2: Convert to fraction form
   9,123/19,977 = 19,977/x
3. Step 3: Cross multiply
   9,123x = 19,977 × 19,977
4. Step 4: Simplify right side
   9,123x = 399,080,529
5. Step 5: Solve for x
   x = 399,080,529/9,123
6. Step 6: Final answer
   x = 43,744.44