Finding the Third Proportional to 11,112.19 and 17,766.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,112.19 : 17,766.84 = 17,766.84 : x
2. Step 2: Convert to fraction form
   11,112.19/17,766.84 = 17,766.84/x
3. Step 3: Cross multiply
   11,112.19x = 17,766.84 × 17,766.84
4. Step 4: Simplify right side
   11,112.19x = 315,660,736.84
5. Step 5: Solve for x
   x = 315,660,736.84/11,112.19
6. Step 6: Final answer
   x = 28,406.71