Finding the Third Proportional to 564,778.69 and 860,411.81

Step by Step Solution

1. Step 1: Write the proportion equation
   564,778.69 : 860,411.81 = 860,411.81 : x
2. Step 2: Convert to fraction form
   564,778.69/860,411.81 = 860,411.81/x
3. Step 3: Cross multiply
   564,778.69x = 860,411.81 × 860,411.81
4. Step 4: Simplify right side
   564,778.69x = 740,308,487,089.54
5. Step 5: Solve for x
   x = 740,308,487,089.54/564,778.69
6. Step 6: Final answer
   x = 1,310,793.95