Finding the Third Proportional to 517,375.69 and 772,877.25

Step by Step Solution

1. Step 1: Write the proportion equation
   517,375.69 : 772,877.25 = 772,877.25 : x
2. Step 2: Convert to fraction form
   517,375.69/772,877.25 = 772,877.25/x
3. Step 3: Cross multiply
   517,375.69x = 772,877.25 × 772,877.25
4. Step 4: Simplify right side
   517,375.69x = 597,339,243,567.56
5. Step 5: Solve for x
   x = 597,339,243,567.56/517,375.69
6. Step 6: Final answer
   x = 1,154,556.08