Finding the Third Proportional to 285,356.25 and 674,841.38

Step by Step Solution

1. Step 1: Write the proportion equation
   285,356.25 : 674,841.38 = 674,841.38 : x
2. Step 2: Convert to fraction form
   285,356.25/674,841.38 = 674,841.38/x
3. Step 3: Cross multiply
   285,356.25x = 674,841.38 × 674,841.38
4. Step 4: Simplify right side
   285,356.25x = 455,410,881,411.89
5. Step 5: Solve for x
   x = 455,410,881,411.89/285,356.25
6. Step 6: Final answer
   x = 1,595,937.99