Finding the Third Proportional to 13,861.50 and 30,381

Step by Step Solution

1. Step 1: Write the proportion equation
   13,861.50 : 30,381 = 30,381 : x
2. Step 2: Convert to fraction form
   13,861.50/30,381 = 30,381/x
3. Step 3: Cross multiply
   13,861.50x = 30,381 × 30,381
4. Step 4: Simplify right side
   13,861.50x = 923,005,161
5. Step 5: Solve for x
   x = 923,005,161/13,861.50
6. Step 6: Final answer
   x = 66,587.68