Finding the Third Proportional to 773,726 and 1,680,860

Step by Step Solution

1. Step 1: Write the proportion equation
   773,726 : 1,680,860 = 1,680,860 : x
2. Step 2: Convert to fraction form
   773,726/1,680,860 = 1,680,860/x
3. Step 3: Cross multiply
   773,726x = 1,680,860 × 1,680,860
4. Step 4: Simplify right side
   773,726x = 2,825,290,339,600
5. Step 5: Solve for x
   x = 2,825,290,339,600/773,726
6. Step 6: Final answer
   x = 3,651,538.58