Finding the Third Proportional to 295,453.50 and 485,404.50

Step by Step Solution

1. Step 1: Write the proportion equation
   295,453.50 : 485,404.50 = 485,404.50 : x
2. Step 2: Convert to fraction form
   295,453.50/485,404.50 = 485,404.50/x
3. Step 3: Cross multiply
   295,453.50x = 485,404.50 × 485,404.50
4. Step 4: Simplify right side
   295,453.50x = 235,617,528,620.25
5. Step 5: Solve for x
   x = 235,617,528,620.25/295,453.50
6. Step 6: Final answer
   x = 797,477.53