Finding the Third Proportional to 50,478 and 72,693

Step by Step Solution

1. Step 1: Write the proportion equation
   50,478 : 72,693 = 72,693 : x
2. Step 2: Convert to fraction form
   50,478/72,693 = 72,693/x
3. Step 3: Cross multiply
   50,478x = 72,693 × 72,693
4. Step 4: Simplify right side
   50,478x = 5,284,272,249
5. Step 5: Solve for x
   x = 5,284,272,249/50,478
6. Step 6: Final answer
   x = 104,684.66