Finding the Third Proportional to 12,317.06 and 18,836.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,317.06 : 18,836.30 = 18,836.30 : x
2. Step 2: Convert to fraction form
   12,317.06/18,836.30 = 18,836.30/x
3. Step 3: Cross multiply
   12,317.06x = 18,836.30 × 18,836.30
4. Step 4: Simplify right side
   12,317.06x = 354,806,079.96
5. Step 5: Solve for x
   x = 354,806,079.96/12,317.06
6. Step 6: Final answer
   x = 28,806.06