Finding the Third Proportional to 5,274 and 10,699.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,274 : 10,699.50 = 10,699.50 : x
2. Step 2: Convert to fraction form
   5,274/10,699.50 = 10,699.50/x
3. Step 3: Cross multiply
   5,274x = 10,699.50 × 10,699.50
4. Step 4: Simplify right side
   5,274x = 114,479,300.25
5. Step 5: Solve for x
   x = 114,479,300.25/5,274
6. Step 6: Final answer
   x = 21,706.35