Finding the Third Proportional to 464,614.88 and 654,289.31

Step by Step Solution

1. Step 1: Write the proportion equation
   464,614.88 : 654,289.31 = 654,289.31 : x
2. Step 2: Convert to fraction form
   464,614.88/654,289.31 = 654,289.31/x
3. Step 3: Cross multiply
   464,614.88x = 654,289.31 × 654,289.31
4. Step 4: Simplify right side
   464,614.88x = 428,094,504,451.72
5. Step 5: Solve for x
   x = 428,094,504,451.72/464,614.88
6. Step 6: Final answer
   x = 921,396.47