Finding the Third Proportional to 8,910 and 13,850

Step by Step Solution

1. Step 1: Write the proportion equation
   8,910 : 13,850 = 13,850 : x
2. Step 2: Convert to fraction form
   8,910/13,850 = 13,850/x
3. Step 3: Cross multiply
   8,910x = 13,850 × 13,850
4. Step 4: Simplify right side
   8,910x = 191,822,500
5. Step 5: Solve for x
   x = 191,822,500/8,910
6. Step 6: Final answer
   x = 21,528.90