Finding the Third Proportional to 12,300 and 26,685

Step by Step Solution

1. Step 1: Write the proportion equation
   12,300 : 26,685 = 26,685 : x
2. Step 2: Convert to fraction form
   12,300/26,685 = 26,685/x
3. Step 3: Cross multiply
   12,300x = 26,685 × 26,685
4. Step 4: Simplify right side
   12,300x = 712,089,225
5. Step 5: Solve for x
   x = 712,089,225/12,300
6. Step 6: Final answer
   x = 57,893.43