Finding the Third Proportional to 261,498.38 and 572,743.41

Step by Step Solution

1. Step 1: Write the proportion equation
   261,498.38 : 572,743.41 = 572,743.41 : x
2. Step 2: Convert to fraction form
   261,498.38/572,743.41 = 572,743.41/x
3. Step 3: Cross multiply
   261,498.38x = 572,743.41 × 572,743.41
4. Step 4: Simplify right side
   261,498.38x = 328,035,009,402.85
5. Step 5: Solve for x
   x = 328,035,009,402.85/261,498.38
6. Step 6: Final answer
   x = 1,254,443.78