Finding the Third Proportional to 50,620 and 72,908

Step by Step Solution

1. Step 1: Write the proportion equation
   50,620 : 72,908 = 72,908 : x
2. Step 2: Convert to fraction form
   50,620/72,908 = 72,908/x
3. Step 3: Cross multiply
   50,620x = 72,908 × 72,908
4. Step 4: Simplify right side
   50,620x = 5,315,576,464
5. Step 5: Solve for x
   x = 5,315,576,464/50,620
6. Step 6: Final answer
   x = 105,009.41