Finding the Third Proportional to 12,315 and 27,222

Step by Step Solution

1. Step 1: Write the proportion equation
   12,315 : 27,222 = 27,222 : x
2. Step 2: Convert to fraction form
   12,315/27,222 = 27,222/x
3. Step 3: Cross multiply
   12,315x = 27,222 × 27,222
4. Step 4: Simplify right side
   12,315x = 741,037,284
5. Step 5: Solve for x
   x = 741,037,284/12,315
6. Step 6: Final answer
   x = 60,173.55