Finding the Third Proportional to 295,173 and 451,311.75

Step by Step Solution

1. Step 1: Write the proportion equation
   295,173 : 451,311.75 = 451,311.75 : x
2. Step 2: Convert to fraction form
   295,173/451,311.75 = 451,311.75/x
3. Step 3: Cross multiply
   295,173x = 451,311.75 × 451,311.75
4. Step 4: Simplify right side
   295,173x = 203,682,295,688.06
5. Step 5: Solve for x
   x = 203,682,295,688.06/295,173
6. Step 6: Final answer
   x = 690,043.79