Finding the Third Proportional to 776,560 and 1,661,068

Step by Step Solution

1. Step 1: Write the proportion equation
   776,560 : 1,661,068 = 1,661,068 : x
2. Step 2: Convert to fraction form
   776,560/1,661,068 = 1,661,068/x
3. Step 3: Cross multiply
   776,560x = 1,661,068 × 1,661,068
4. Step 4: Simplify right side
   776,560x = 2,759,146,900,624
5. Step 5: Solve for x
   x = 2,759,146,900,624/776,560
6. Step 6: Final answer
   x = 3,553,037.63