Finding the Third Proportional to 356,847 and 484,402.50

Step by Step Solution

1. Step 1: Write the proportion equation
   356,847 : 484,402.50 = 484,402.50 : x
2. Step 2: Convert to fraction form
   356,847/484,402.50 = 484,402.50/x
3. Step 3: Cross multiply
   356,847x = 484,402.50 × 484,402.50
4. Step 4: Simplify right side
   356,847x = 234,645,782,006.25
5. Step 5: Solve for x
   x = 234,645,782,006.25/356,847
6. Step 6: Final answer
   x = 657,552.91