Finding the Third Proportional to 50,621 and 75,521

Step by Step Solution

1. Step 1: Write the proportion equation
   50,621 : 75,521 = 75,521 : x
2. Step 2: Convert to fraction form
   50,621/75,521 = 75,521/x
3. Step 3: Cross multiply
   50,621x = 75,521 × 75,521
4. Step 4: Simplify right side
   50,621x = 5,703,421,441
5. Step 5: Solve for x
   x = 5,703,421,441/50,621
6. Step 6: Final answer
   x = 112,669.08