Finding the Third Proportional to 261,061 and 572,558

Step by Step Solution

1. Step 1: Write the proportion equation
   261,061 : 572,558 = 572,558 : x
2. Step 2: Convert to fraction form
   261,061/572,558 = 572,558/x
3. Step 3: Cross multiply
   261,061x = 572,558 × 572,558
4. Step 4: Simplify right side
   261,061x = 327,822,663,364
5. Step 5: Solve for x
   x = 327,822,663,364/261,061
6. Step 6: Final answer
   x = 1,255,732.04