Finding the Third Proportional to 321,116 and 500,062

Step by Step Solution

1. Step 1: Write the proportion equation
   321,116 : 500,062 = 500,062 : x
2. Step 2: Convert to fraction form
   321,116/500,062 = 500,062/x
3. Step 3: Cross multiply
   321,116x = 500,062 × 500,062
4. Step 4: Simplify right side
   321,116x = 250,062,003,844
5. Step 5: Solve for x
   x = 250,062,003,844/321,116
6. Step 6: Final answer
   x = 778,727.95