Finding the Third Proportional to 1,707,878 and 3,679,672

Step by Step Solution

1. Step 1: Write the proportion equation
   1,707,878 : 3,679,672 = 3,679,672 : x
2. Step 2: Convert to fraction form
   1,707,878/3,679,672 = 3,679,672/x
3. Step 3: Cross multiply
   1,707,878x = 3,679,672 × 3,679,672
4. Step 4: Simplify right side
   1,707,878x = 13,539,986,027,584
5. Step 5: Solve for x
   x = 13,539,986,027,584/1,707,878
6. Step 6: Final answer
   x = 7,927,958.57