Finding the Third Proportional to 72,423 and 103,977

Step by Step Solution

1. Step 1: Write the proportion equation
   72,423 : 103,977 = 103,977 : x
2. Step 2: Convert to fraction form
   72,423/103,977 = 103,977/x
3. Step 3: Cross multiply
   72,423x = 103,977 × 103,977
4. Step 4: Simplify right side
   72,423x = 10,811,216,529
5. Step 5: Solve for x
   x = 10,811,216,529/72,423
6. Step 6: Final answer
   x = 149,278.77