Finding the Third Proportional to 424,012 and 573,810

Step by Step Solution

1. Step 1: Write the proportion equation
   424,012 : 573,810 = 573,810 : x
2. Step 2: Convert to fraction form
   424,012/573,810 = 573,810/x
3. Step 3: Cross multiply
   424,012x = 573,810 × 573,810
4. Step 4: Simplify right side
   424,012x = 329,257,916,100
5. Step 5: Solve for x
   x = 329,257,916,100/424,012
6. Step 6: Final answer
   x = 776,529.71