Finding the Third Proportional to 601.59 and 839.95

Step by Step Solution

1. Step 1: Write the proportion equation
   601.59 : 839.95 = 839.95 : x
2. Step 2: Convert to fraction form
   601.59/839.95 = 839.95/x
3. Step 3: Cross multiply
   601.59x = 839.95 × 839.95
4. Step 4: Simplify right side
   601.59x = 705,521.25
5. Step 5: Solve for x
   x = 705,521.25/601.59
6. Step 6: Final answer
   x = 1,172.75