Finding the Third Proportional to 20,100 and 30,355

Step by Step Solution

1. Step 1: Write the proportion equation
   20,100 : 30,355 = 30,355 : x
2. Step 2: Convert to fraction form
   20,100/30,355 = 30,355/x
3. Step 3: Cross multiply
   20,100x = 30,355 × 30,355
4. Step 4: Simplify right side
   20,100x = 921,426,025
5. Step 5: Solve for x
   x = 921,426,025/20,100
6. Step 6: Final answer
   x = 45,842.09