Finding the Third Proportional to 464,521.50 and 654,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   464,521.50 : 654,142.50 = 654,142.50 : x
2. Step 2: Convert to fraction form
   464,521.50/654,142.50 = 654,142.50/x
3. Step 3: Cross multiply
   464,521.50x = 654,142.50 × 654,142.50
4. Step 4: Simplify right side
   464,521.50x = 427,902,410,306.25
5. Step 5: Solve for x
   x = 427,902,410,306.25/464,521.50
6. Step 6: Final answer
   x = 921,168.15