Finding the Third Proportional to 11,090 and 23,430

Step by Step Solution

1. Step 1: Write the proportion equation
   11,090 : 23,430 = 23,430 : x
2. Step 2: Convert to fraction form
   11,090/23,430 = 23,430/x
3. Step 3: Cross multiply
   11,090x = 23,430 × 23,430
4. Step 4: Simplify right side
   11,090x = 548,964,900
5. Step 5: Solve for x
   x = 548,964,900/11,090
6. Step 6: Final answer
   x = 49,500.89