Finding the Third Proportional to 503,028 and 785,159.75

Step by Step Solution

1. Step 1: Write the proportion equation
   503,028 : 785,159.75 = 785,159.75 : x
2. Step 2: Convert to fraction form
   503,028/785,159.75 = 785,159.75/x
3. Step 3: Cross multiply
   503,028x = 785,159.75 × 785,159.75
4. Step 4: Simplify right side
   503,028x = 616,475,833,020.06
5. Step 5: Solve for x
   x = 616,475,833,020.06/503,028
6. Step 6: Final answer
   x = 1,225,529.86