Finding the Third Proportional to 261,672 and 573,384

Step by Step Solution

1. Step 1: Write the proportion equation
   261,672 : 573,384 = 573,384 : x
2. Step 2: Convert to fraction form
   261,672/573,384 = 573,384/x
3. Step 3: Cross multiply
   261,672x = 573,384 × 573,384
4. Step 4: Simplify right side
   261,672x = 328,769,211,456
5. Step 5: Solve for x
   x = 328,769,211,456/261,672
6. Step 6: Final answer
   x = 1,256,417.24