Finding the Third Proportional to 356,856 and 484,411.50

Step by Step Solution

1. Step 1: Write the proportion equation
   356,856 : 484,411.50 = 484,411.50 : x
2. Step 2: Convert to fraction form
   356,856/484,411.50 = 484,411.50/x
3. Step 3: Cross multiply
   356,856x = 484,411.50 × 484,411.50
4. Step 4: Simplify right side
   356,856x = 234,654,501,332.25
5. Step 5: Solve for x
   x = 234,654,501,332.25/356,856
6. Step 6: Final answer
   x = 657,560.76