Finding the Third Proportional to 12,318 and 27,030

Step by Step Solution

1. Step 1: Write the proportion equation
   12,318 : 27,030 = 27,030 : x
2. Step 2: Convert to fraction form
   12,318/27,030 = 27,030/x
3. Step 3: Cross multiply
   12,318x = 27,030 × 27,030
4. Step 4: Simplify right side
   12,318x = 730,620,900
5. Step 5: Solve for x
   x = 730,620,900/12,318
6. Step 6: Final answer
   x = 59,313.27