Finding the Third Proportional to 412,493.50 and 656,365

Step by Step Solution

1. Step 1: Write the proportion equation
   412,493.50 : 656,365 = 656,365 : x
2. Step 2: Convert to fraction form
   412,493.50/656,365 = 656,365/x
3. Step 3: Cross multiply
   412,493.50x = 656,365 × 656,365
4. Step 4: Simplify right side
   412,493.50x = 430,815,013,225
5. Step 5: Solve for x
   x = 430,815,013,225/412,493.50
6. Step 6: Final answer
   x = 1,044,416.49