Finding the Third Proportional to 295,460.50 and 485,416

Step by Step Solution

1. Step 1: Write the proportion equation
   295,460.50 : 485,416 = 485,416 : x
2. Step 2: Convert to fraction form
   295,460.50/485,416 = 485,416/x
3. Step 3: Cross multiply
   295,460.50x = 485,416 × 485,416
4. Step 4: Simplify right side
   295,460.50x = 235,628,693,056
5. Step 5: Solve for x
   x = 235,628,693,056/295,460.50
6. Step 6: Final answer
   x = 797,496.43