Finding the Third Proportional to 776,774 and 1,665,436

Step by Step Solution

1. Step 1: Write the proportion equation
   776,774 : 1,665,436 = 1,665,436 : x
2. Step 2: Convert to fraction form
   776,774/1,665,436 = 1,665,436/x
3. Step 3: Cross multiply
   776,774x = 1,665,436 × 1,665,436
4. Step 4: Simplify right side
   776,774x = 2,773,677,070,096
5. Step 5: Solve for x
   x = 2,773,677,070,096/776,774
6. Step 6: Final answer
   x = 3,570,764.56