Finding the Third Proportional to 322,881 and 503,944.50

Step by Step Solution

1. Step 1: Write the proportion equation
   322,881 : 503,944.50 = 503,944.50 : x
2. Step 2: Convert to fraction form
   322,881/503,944.50 = 503,944.50/x
3. Step 3: Cross multiply
   322,881x = 503,944.50 × 503,944.50
4. Step 4: Simplify right side
   322,881x = 253,960,059,080.25
5. Step 5: Solve for x
   x = 253,960,059,080.25/322,881
6. Step 6: Final answer
   x = 786,543.83