Finding the Third Proportional to 736.59 and 1,590.89

Step by Step Solution

1. Step 1: Write the proportion equation
   736.59 : 1,590.89 = 1,590.89 : x
2. Step 2: Convert to fraction form
   736.59/1,590.89 = 1,590.89/x
3. Step 3: Cross multiply
   736.59x = 1,590.89 × 1,590.89
4. Step 4: Simplify right side
   736.59x = 2,530,932.98
5. Step 5: Solve for x
   x = 2,530,932.98/736.59
6. Step 6: Final answer
   x = 3,436.00