Finding the Third Proportional to 13,850 and 19,789

Step by Step Solution

1. Step 1: Write the proportion equation
   13,850 : 19,789 = 19,789 : x
2. Step 2: Convert to fraction form
   13,850/19,789 = 19,789/x
3. Step 3: Cross multiply
   13,850x = 19,789 × 19,789
4. Step 4: Simplify right side
   13,850x = 391,604,521
5. Step 5: Solve for x
   x = 391,604,521/13,850
6. Step 6: Final answer
   x = 28,274.69