Finding the Third Proportional to 5,217 and 10,981.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,217 : 10,981.50 = 10,981.50 : x
2. Step 2: Convert to fraction form
   5,217/10,981.50 = 10,981.50/x
3. Step 3: Cross multiply
   5,217x = 10,981.50 × 10,981.50
4. Step 4: Simplify right side
   5,217x = 120,593,342.25
5. Step 5: Solve for x
   x = 120,593,342.25/5,217
6. Step 6: Final answer
   x = 23,115.46