Finding the Third Proportional to 12,300 and 22,200

Step by Step Solution

1. Step 1: Write the proportion equation
   12,300 : 22,200 = 22,200 : x
2. Step 2: Convert to fraction form
   12,300/22,200 = 22,200/x
3. Step 3: Cross multiply
   12,300x = 22,200 × 22,200
4. Step 4: Simplify right side
   12,300x = 492,840,000
5. Step 5: Solve for x
   x = 492,840,000/12,300
6. Step 6: Final answer
   x = 40,068.29