Finding the Third Proportional to 964 and 1,992.50

Step by Step Solution

1. Step 1: Write the proportion equation
   964 : 1,992.50 = 1,992.50 : x
2. Step 2: Convert to fraction form
   964/1,992.50 = 1,992.50/x
3. Step 3: Cross multiply
   964x = 1,992.50 × 1,992.50
4. Step 4: Simplify right side
   964x = 3,970,056.25
5. Step 5: Solve for x
   x = 3,970,056.25/964
6. Step 6: Final answer
   x = 4,118.32