Finding the Third Proportional to 6,925.50 and 12,312

Step by Step Solution

1. Step 1: Write the proportion equation
   6,925.50 : 12,312 = 12,312 : x
2. Step 2: Convert to fraction form
   6,925.50/12,312 = 12,312/x
3. Step 3: Cross multiply
   6,925.50x = 12,312 × 12,312
4. Step 4: Simplify right side
   6,925.50x = 151,585,344
5. Step 5: Solve for x
   x = 151,585,344/6,925.50
6. Step 6: Final answer
   x = 21,888