Finding the Third Proportional to 517,019.25 and 776,076

Step by Step Solution

1. Step 1: Write the proportion equation
   517,019.25 : 776,076 = 776,076 : x
2. Step 2: Convert to fraction form
   517,019.25/776,076 = 776,076/x
3. Step 3: Cross multiply
   517,019.25x = 776,076 × 776,076
4. Step 4: Simplify right side
   517,019.25x = 602,293,957,776
5. Step 5: Solve for x
   x = 602,293,957,776/517,019.25
6. Step 6: Final answer
   x = 1,164,935.27