Finding the Third Proportional to 581,737 and 853,451.50

Step by Step Solution

1. Step 1: Write the proportion equation
   581,737 : 853,451.50 = 853,451.50 : x
2. Step 2: Convert to fraction form
   581,737/853,451.50 = 853,451.50/x
3. Step 3: Cross multiply
   581,737x = 853,451.50 × 853,451.50
4. Step 4: Simplify right side
   581,737x = 728,379,462,852.25
5. Step 5: Solve for x
   x = 728,379,462,852.25/581,737
6. Step 6: Final answer
   x = 1,252,076.91