Finding the Third Proportional to 8,429 and 11,118

Step by Step Solution

1. Step 1: Write the proportion equation
   8,429 : 11,118 = 11,118 : x
2. Step 2: Convert to fraction form
   8,429/11,118 = 11,118/x
3. Step 3: Cross multiply
   8,429x = 11,118 × 11,118
4. Step 4: Simplify right side
   8,429x = 123,609,924
5. Step 5: Solve for x
   x = 123,609,924/8,429
6. Step 6: Final answer
   x = 14,664.84