Finding the Third Proportional to 7,893 and 10,621.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,893 : 10,621.50 = 10,621.50 : x
2. Step 2: Convert to fraction form
   7,893/10,621.50 = 10,621.50/x
3. Step 3: Cross multiply
   7,893x = 10,621.50 × 10,621.50
4. Step 4: Simplify right side
   7,893x = 112,816,262.25
5. Step 5: Solve for x
   x = 112,816,262.25/7,893
6. Step 6: Final answer
   x = 14,293.20