Finding the Third Proportional to 7,312 and 10,671.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,312 : 10,671.50 = 10,671.50 : x
2. Step 2: Convert to fraction form
   7,312/10,671.50 = 10,671.50/x
3. Step 3: Cross multiply
   7,312x = 10,671.50 × 10,671.50
4. Step 4: Simplify right side
   7,312x = 113,880,912.25
5. Step 5: Solve for x
   x = 113,880,912.25/7,312
6. Step 6: Final answer
   x = 15,574.52