Finding the Third Proportional to 349.31 and 529.31

Step by Step Solution

1. Step 1: Write the proportion equation
   349.31 : 529.31 = 529.31 : x
2. Step 2: Convert to fraction form
   349.31/529.31 = 529.31/x
3. Step 3: Cross multiply
   349.31x = 529.31 × 529.31
4. Step 4: Simplify right side
   349.31x = 280,171.72
5. Step 5: Solve for x
   x = 280,171.72/349.31
6. Step 6: Final answer
   x = 802.07