Finding the Third Proportional to 356,730.50 and 552,124.50

Step by Step Solution

1. Step 1: Write the proportion equation
   356,730.50 : 552,124.50 = 552,124.50 : x
2. Step 2: Convert to fraction form
   356,730.50/552,124.50 = 552,124.50/x
3. Step 3: Cross multiply
   356,730.50x = 552,124.50 × 552,124.50
4. Step 4: Simplify right side
   356,730.50x = 304,841,463,500.25
5. Step 5: Solve for x
   x = 304,841,463,500.25/356,730.50
6. Step 6: Final answer
   x = 854,542.75