Finding the Third Proportional to 2,312.50 and 3,387.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,312.50 : 3,387.25 = 3,387.25 : x
2. Step 2: Convert to fraction form
   2,312.50/3,387.25 = 3,387.25/x
3. Step 3: Cross multiply
   2,312.50x = 3,387.25 × 3,387.25
4. Step 4: Simplify right side
   2,312.50x = 11,473,462.56
5. Step 5: Solve for x
   x = 11,473,462.56/2,312.50
6. Step 6: Final answer
   x = 4,961.50