Finding the Third Proportional to 409,886 and 573,180

Step by Step Solution

1. Step 1: Write the proportion equation
   409,886 : 573,180 = 573,180 : x
2. Step 2: Convert to fraction form
   409,886/573,180 = 573,180/x
3. Step 3: Cross multiply
   409,886x = 573,180 × 573,180
4. Step 4: Simplify right side
   409,886x = 328,535,312,400
5. Step 5: Solve for x
   x = 328,535,312,400/409,886
6. Step 6: Final answer
   x = 801,528.50