Finding the Third Proportional to 972.50 and 1,969

Step by Step Solution

1. Step 1: Write the proportion equation
   972.50 : 1,969 = 1,969 : x
2. Step 2: Convert to fraction form
   972.50/1,969 = 1,969/x
3. Step 3: Cross multiply
   972.50x = 1,969 × 1,969
4. Step 4: Simplify right side
   972.50x = 3,876,961
5. Step 5: Solve for x
   x = 3,876,961/972.50
6. Step 6: Final answer
   x = 3,986.59