Finding the Third Proportional to 6,931.50 and 12,324

Step by Step Solution

1. Step 1: Write the proportion equation
   6,931.50 : 12,324 = 12,324 : x
2. Step 2: Convert to fraction form
   6,931.50/12,324 = 12,324/x
3. Step 3: Cross multiply
   6,931.50x = 12,324 × 12,324
4. Step 4: Simplify right side
   6,931.50x = 151,880,976
5. Step 5: Solve for x
   x = 151,880,976/6,931.50
6. Step 6: Final answer
   x = 21,911.70