Finding the Third Proportional to 2,812.50 and 5,445

Step by Step Solution

1. Step 1: Write the proportion equation
   2,812.50 : 5,445 = 5,445 : x
2. Step 2: Convert to fraction form
   2,812.50/5,445 = 5,445/x
3. Step 3: Cross multiply
   2,812.50x = 5,445 × 5,445
4. Step 4: Simplify right side
   2,812.50x = 29,648,025
5. Step 5: Solve for x
   x = 29,648,025/2,812.50
6. Step 6: Final answer
   x = 10,541.52