Finding the Third Proportional to 559,411.69 and 860,355.56

Step by Step Solution

1. Step 1: Write the proportion equation
   559,411.69 : 860,355.56 = 860,355.56 : x
2. Step 2: Convert to fraction form
   559,411.69/860,355.56 = 860,355.56/x
3. Step 3: Cross multiply
   559,411.69x = 860,355.56 × 860,355.56
4. Step 4: Simplify right side
   559,411.69x = 740,211,693,924.69
5. Step 5: Solve for x
   x = 740,211,693,924.69/559,411.69
6. Step 6: Final answer
   x = 1,323,196.69