Finding the Third Proportional to 1,450.50 and 3,131.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,450.50 : 3,131.91 = 3,131.91 : x
2. Step 2: Convert to fraction form
   1,450.50/3,131.91 = 3,131.91/x
3. Step 3: Cross multiply
   1,450.50x = 3,131.91 × 3,131.91
4. Step 4: Simplify right side
   1,450.50x = 9,808,836.76
5. Step 5: Solve for x
   x = 9,808,836.76/1,450.50
6. Step 6: Final answer
   x = 6,762.38