Finding the Third Proportional to 746 and 1,064.50

Step by Step Solution

1. Step 1: Write the proportion equation
   746 : 1,064.50 = 1,064.50 : x
2. Step 2: Convert to fraction form
   746/1,064.50 = 1,064.50/x
3. Step 3: Cross multiply
   746x = 1,064.50 × 1,064.50
4. Step 4: Simplify right side
   746x = 1,133,160.25
5. Step 5: Solve for x
   x = 1,133,160.25/746
6. Step 6: Final answer
   x = 1,518.98