Finding the Third Proportional to 11,820 and 25,222

Step by Step Solution

1. Step 1: Write the proportion equation
   11,820 : 25,222 = 25,222 : x
2. Step 2: Convert to fraction form
   11,820/25,222 = 25,222/x
3. Step 3: Cross multiply
   11,820x = 25,222 × 25,222
4. Step 4: Simplify right side
   11,820x = 636,149,284
5. Step 5: Solve for x
   x = 636,149,284/11,820
6. Step 6: Final answer
   x = 53,819.74