Finding the Third Proportional to 322,902 and 704,821.50

Step by Step Solution

1. Step 1: Write the proportion equation
   322,902 : 704,821.50 = 704,821.50 : x
2. Step 2: Convert to fraction form
   322,902/704,821.50 = 704,821.50/x
3. Step 3: Cross multiply
   322,902x = 704,821.50 × 704,821.50
4. Step 4: Simplify right side
   322,902x = 496,773,346,862.25
5. Step 5: Solve for x
   x = 496,773,346,862.25/322,902
6. Step 6: Final answer
   x = 1,538,464.76