Finding the Third Proportional to 10,920 and 23,730

Step by Step Solution

1. Step 1: Write the proportion equation
   10,920 : 23,730 = 23,730 : x
2. Step 2: Convert to fraction form
   10,920/23,730 = 23,730/x
3. Step 3: Cross multiply
   10,920x = 23,730 × 23,730
4. Step 4: Simplify right side
   10,920x = 563,112,900
5. Step 5: Solve for x
   x = 563,112,900/10,920
6. Step 6: Final answer
   x = 51,567.12