Finding the Third Proportional to 776,736 and 1,665,360

Step by Step Solution

1. Step 1: Write the proportion equation
   776,736 : 1,665,360 = 1,665,360 : x
2. Step 2: Convert to fraction form
   776,736/1,665,360 = 1,665,360/x
3. Step 3: Cross multiply
   776,736x = 1,665,360 × 1,665,360
4. Step 4: Simplify right side
   776,736x = 2,773,423,929,600
5. Step 5: Solve for x
   x = 2,773,423,929,600/776,736
6. Step 6: Final answer
   x = 3,570,613.35