Finding the Third Proportional to 394,594 and 863,012

Step by Step Solution

1. Step 1: Write the proportion equation
   394,594 : 863,012 = 863,012 : x
2. Step 2: Convert to fraction form
   394,594/863,012 = 863,012/x
3. Step 3: Cross multiply
   394,594x = 863,012 × 863,012
4. Step 4: Simplify right side
   394,594x = 744,789,712,144
5. Step 5: Solve for x
   x = 744,789,712,144/394,594
6. Step 6: Final answer
   x = 1,887,483.62