Finding the Third Proportional to 300.56 and 701.91

Step by Step Solution

1. Step 1: Write the proportion equation
   300.56 : 701.91 = 701.91 : x
2. Step 2: Convert to fraction form
   300.56/701.91 = 701.91/x
3. Step 3: Cross multiply
   300.56x = 701.91 × 701.91
4. Step 4: Simplify right side
   300.56x = 492,672.38
5. Step 5: Solve for x
   x = 492,672.38/300.56
6. Step 6: Final answer
   x = 1,639.17