Finding the Third Proportional to 345,704 and 564,500

Step by Step Solution

1. Step 1: Write the proportion equation
   345,704 : 564,500 = 564,500 : x
2. Step 2: Convert to fraction form
   345,704/564,500 = 564,500/x
3. Step 3: Cross multiply
   345,704x = 564,500 × 564,500
4. Step 4: Simplify right side
   345,704x = 318,660,250,000
5. Step 5: Solve for x
   x = 318,660,250,000/345,704
6. Step 6: Final answer
   x = 921,771.95