Finding the Third Proportional to 6,213 and 13,521

Step by Step Solution

1. Step 1: Write the proportion equation
   6,213 : 13,521 = 13,521 : x
2. Step 2: Convert to fraction form
   6,213/13,521 = 13,521/x
3. Step 3: Cross multiply
   6,213x = 13,521 × 13,521
4. Step 4: Simplify right side
   6,213x = 182,817,441
5. Step 5: Solve for x
   x = 182,817,441/6,213
6. Step 6: Final answer
   x = 29,424.99