Finding the Third Proportional to 330,976 and 714,426.50

Step by Step Solution

1. Step 1: Write the proportion equation
   330,976 : 714,426.50 = 714,426.50 : x
2. Step 2: Convert to fraction form
   330,976/714,426.50 = 714,426.50/x
3. Step 3: Cross multiply
   330,976x = 714,426.50 × 714,426.50
4. Step 4: Simplify right side
   330,976x = 510,405,223,902.25
5. Step 5: Solve for x
   x = 510,405,223,902.25/330,976
6. Step 6: Final answer
   x = 1,542,121.56