Finding the Third Proportional to 604,215 and 923,818.50

Step by Step Solution

1. Step 1: Write the proportion equation
   604,215 : 923,818.50 = 923,818.50 : x
2. Step 2: Convert to fraction form
   604,215/923,818.50 = 923,818.50/x
3. Step 3: Cross multiply
   604,215x = 923,818.50 × 923,818.50
4. Step 4: Simplify right side
   604,215x = 853,440,620,942.25
5. Step 5: Solve for x
   x = 853,440,620,942.25/604,215
6. Step 6: Final answer
   x = 1,412,478.37