Finding the Third Proportional to 962 and 2,139.50

Step by Step Solution

1. Step 1: Write the proportion equation
   962 : 2,139.50 = 2,139.50 : x
2. Step 2: Convert to fraction form
   962/2,139.50 = 2,139.50/x
3. Step 3: Cross multiply
   962x = 2,139.50 × 2,139.50
4. Step 4: Simplify right side
   962x = 4,577,460.25
5. Step 5: Solve for x
   x = 4,577,460.25/962
6. Step 6: Final answer
   x = 4,758.27