Finding the Third Proportional to 1,372.92 and 3,237.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372.92 : 3,237.89 = 3,237.89 : x
2. Step 2: Convert to fraction form
   1,372.92/3,237.89 = 3,237.89/x
3. Step 3: Cross multiply
   1,372.92x = 3,237.89 × 3,237.89
4. Step 4: Simplify right side
   1,372.92x = 10,483,935.70
5. Step 5: Solve for x
   x = 10,483,935.70/1,372.92
6. Step 6: Final answer
   x = 7,636.22