Finding the Third Proportional to 343,443.50 and 504,881

Step by Step Solution

1. Step 1: Write the proportion equation
   343,443.50 : 504,881 = 504,881 : x
2. Step 2: Convert to fraction form
   343,443.50/504,881 = 504,881/x
3. Step 3: Cross multiply
   343,443.50x = 504,881 × 504,881
4. Step 4: Simplify right side
   343,443.50x = 254,904,824,161
5. Step 5: Solve for x
   x = 254,904,824,161/343,443.50
6. Step 6: Final answer
   x = 742,203.08