Finding the Third Proportional to 239,943 and 555,481.50

Step by Step Solution

1. Step 1: Write the proportion equation
   239,943 : 555,481.50 = 555,481.50 : x
2. Step 2: Convert to fraction form
   239,943/555,481.50 = 555,481.50/x
3. Step 3: Cross multiply
   239,943x = 555,481.50 × 555,481.50
4. Step 4: Simplify right side
   239,943x = 308,559,696,842.25
5. Step 5: Solve for x
   x = 308,559,696,842.25/239,943
6. Step 6: Final answer
   x = 1,285,970.82