Finding the Third Proportional to 6,211.69 and 12,111.19

Step by Step Solution

1. Step 1: Write the proportion equation
   6,211.69 : 12,111.19 = 12,111.19 : x
2. Step 2: Convert to fraction form
   6,211.69/12,111.19 = 12,111.19/x
3. Step 3: Cross multiply
   6,211.69x = 12,111.19 × 12,111.19
4. Step 4: Simplify right side
   6,211.69x = 146,680,862.66
5. Step 5: Solve for x
   x = 146,680,862.66/6,211.69
6. Step 6: Final answer
   x = 23,613.69