Finding the Third Proportional to 260,038.50 and 559,443

Step by Step Solution

1. Step 1: Write the proportion equation
   260,038.50 : 559,443 = 559,443 : x
2. Step 2: Convert to fraction form
   260,038.50/559,443 = 559,443/x
3. Step 3: Cross multiply
   260,038.50x = 559,443 × 559,443
4. Step 4: Simplify right side
   260,038.50x = 312,976,470,249
5. Step 5: Solve for x
   x = 312,976,470,249/260,038.50
6. Step 6: Final answer
   x = 1,203,577.43