Finding the Third Proportional to 517,375.50 and 772,877

Step by Step Solution

1. Step 1: Write the proportion equation
   517,375.50 : 772,877 = 772,877 : x
2. Step 2: Convert to fraction form
   517,375.50/772,877 = 772,877/x
3. Step 3: Cross multiply
   517,375.50x = 772,877 × 772,877
4. Step 4: Simplify right side
   517,375.50x = 597,338,857,129
5. Step 5: Solve for x
   x = 597,338,857,129/517,375.50
6. Step 6: Final answer
   x = 1,154,555.75