Finding the Third Proportional to 559,245.94 and 855,118.69

Step by Step Solution

1. Step 1: Write the proportion equation
   559,245.94 : 855,118.69 = 855,118.69 : x
2. Step 2: Convert to fraction form
   559,245.94/855,118.69 = 855,118.69/x
3. Step 3: Cross multiply
   559,245.94x = 855,118.69 × 855,118.69
4. Step 4: Simplify right side
   559,245.94x = 731,227,969,711.72
5. Step 5: Solve for x
   x = 731,227,969,711.72/559,245.94
6. Step 6: Final answer
   x = 1,307,524.87