Finding the Third Proportional to 2,103 and 2,812.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103 : 2,812.50 = 2,812.50 : x
2. Step 2: Convert to fraction form
   2,103/2,812.50 = 2,812.50/x
3. Step 3: Cross multiply
   2,103x = 2,812.50 × 2,812.50
4. Step 4: Simplify right side
   2,103x = 7,910,156.25
5. Step 5: Solve for x
   x = 7,910,156.25/2,103
6. Step 6: Final answer
   x = 3,761.37