Finding the Third Proportional to 395,042.63 and 853,141.50

Step by Step Solution

1. Step 1: Write the proportion equation
   395,042.63 : 853,141.50 = 853,141.50 : x
2. Step 2: Convert to fraction form
   395,042.63/853,141.50 = 853,141.50/x
3. Step 3: Cross multiply
   395,042.63x = 853,141.50 × 853,141.50
4. Step 4: Simplify right side
   395,042.63x = 727,850,419,022.25
5. Step 5: Solve for x
   x = 727,850,419,022.25/395,042.63
6. Step 6: Final answer
   x = 1,842,460.47