Finding the Third Proportional to 146,773.27 and 315,259.59

Step by Step Solution

1. Step 1: Write the proportion equation
   146,773.27 : 315,259.59 = 315,259.59 : x
2. Step 2: Convert to fraction form
   146,773.27/315,259.59 = 315,259.59/x
3. Step 3: Cross multiply
   146,773.27x = 315,259.59 × 315,259.59
4. Step 4: Simplify right side
   146,773.27x = 99,388,611,451.42
5. Step 5: Solve for x
   x = 99,388,611,451.42/146,773.27
6. Step 6: Final answer
   x = 677,157.46