Finding the Third Proportional to 285,354 and 674,833.50

Step by Step Solution

1. Step 1: Write the proportion equation
   285,354 : 674,833.50 = 674,833.50 : x
2. Step 2: Convert to fraction form
   285,354/674,833.50 = 674,833.50/x
3. Step 3: Cross multiply
   285,354x = 674,833.50 × 674,833.50
4. Step 4: Simplify right side
   285,354x = 455,400,252,722.25
5. Step 5: Solve for x
   x = 455,400,252,722.25/285,354
6. Step 6: Final answer
   x = 1,595,913.33