Finding the Third Proportional to 17,564 and 31,230

Step by Step Solution

1. Step 1: Write the proportion equation
   17,564 : 31,230 = 31,230 : x
2. Step 2: Convert to fraction form
   17,564/31,230 = 31,230/x
3. Step 3: Cross multiply
   17,564x = 31,230 × 31,230
4. Step 4: Simplify right side
   17,564x = 975,312,900
5. Step 5: Solve for x
   x = 975,312,900/17,564
6. Step 6: Final answer
   x = 55,529.09