Finding the Third Proportional to 13,378.50 and 30,894

Step by Step Solution

1. Step 1: Write the proportion equation
   13,378.50 : 30,894 = 30,894 : x
2. Step 2: Convert to fraction form
   13,378.50/30,894 = 30,894/x
3. Step 3: Cross multiply
   13,378.50x = 30,894 × 30,894
4. Step 4: Simplify right side
   13,378.50x = 954,439,236
5. Step 5: Solve for x
   x = 954,439,236/13,378.50
6. Step 6: Final answer
   x = 71,341.27