Finding the Third Proportional to 406,828.50 and 850,836

Step by Step Solution

1. Step 1: Write the proportion equation
   406,828.50 : 850,836 = 850,836 : x
2. Step 2: Convert to fraction form
   406,828.50/850,836 = 850,836/x
3. Step 3: Cross multiply
   406,828.50x = 850,836 × 850,836
4. Step 4: Simplify right side
   406,828.50x = 723,921,898,896
5. Step 5: Solve for x
   x = 723,921,898,896/406,828.50
6. Step 6: Final answer
   x = 1,779,427.69