Finding the Third Proportional to 425,893.50 and 864,303

Step by Step Solution

1. Step 1: Write the proportion equation
   425,893.50 : 864,303 = 864,303 : x
2. Step 2: Convert to fraction form
   425,893.50/864,303 = 864,303/x
3. Step 3: Cross multiply
   425,893.50x = 864,303 × 864,303
4. Step 4: Simplify right side
   425,893.50x = 747,019,675,809
5. Step 5: Solve for x
   x = 747,019,675,809/425,893.50
6. Step 6: Final answer
   x = 1,754,005.82