Finding the Third Proportional to 264,112.50 and 395,155.50

Step by Step Solution

1. Step 1: Write the proportion equation
   264,112.50 : 395,155.50 = 395,155.50 : x
2. Step 2: Convert to fraction form
   264,112.50/395,155.50 = 395,155.50/x
3. Step 3: Cross multiply
   264,112.50x = 395,155.50 × 395,155.50
4. Step 4: Simplify right side
   264,112.50x = 156,147,869,180.25
5. Step 5: Solve for x
   x = 156,147,869,180.25/264,112.50
6. Step 6: Final answer
   x = 591,217.26