Finding the Third Proportional to 776,749.50 and 1,661,436.56

Step by Step Solution

1. Step 1: Write the proportion equation
   776,749.50 : 1,661,436.56 = 1,661,436.56 : x
2. Step 2: Convert to fraction form
   776,749.50/1,661,436.56 = 1,661,436.56/x
3. Step 3: Cross multiply
   776,749.50x = 1,661,436.56 × 1,661,436.56
4. Step 4: Simplify right side
   776,749.50x = 2,760,371,451,211.82
5. Step 5: Solve for x
   x = 2,760,371,451,211.82/776,749.50
6. Step 6: Final answer
   x = 3,553,747.32