Finding the Third Proportional to 541,999 and 805,141.50

Step by Step Solution

1. Step 1: Write the proportion equation
   541,999 : 805,141.50 = 805,141.50 : x
2. Step 2: Convert to fraction form
   541,999/805,141.50 = 805,141.50/x
3. Step 3: Cross multiply
   541,999x = 805,141.50 × 805,141.50
4. Step 4: Simplify right side
   541,999x = 648,252,835,022.25
5. Step 5: Solve for x
   x = 648,252,835,022.25/541,999
6. Step 6: Final answer
   x = 1,196,040.65