Finding the Third Proportional to 7,208 and 10,551.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,208 : 10,551.50 = 10,551.50 : x
2. Step 2: Convert to fraction form
   7,208/10,551.50 = 10,551.50/x
3. Step 3: Cross multiply
   7,208x = 10,551.50 × 10,551.50
4. Step 4: Simplify right side
   7,208x = 111,334,152.25
5. Step 5: Solve for x
   x = 111,334,152.25/7,208
6. Step 6: Final answer
   x = 15,445.91