Finding the Third Proportional to 334,380 and 723,300

Step by Step Solution

1. Step 1: Write the proportion equation
   334,380 : 723,300 = 723,300 : x
2. Step 2: Convert to fraction form
   334,380/723,300 = 723,300/x
3. Step 3: Cross multiply
   334,380x = 723,300 × 723,300
4. Step 4: Simplify right side
   334,380x = 523,162,890,000
5. Step 5: Solve for x
   x = 523,162,890,000/334,380
6. Step 6: Final answer
   x = 1,564,575.90