Finding the Third Proportional to 1,686,602 and 3,704,980

Step by Step Solution

1. Step 1: Write the proportion equation
   1,686,602 : 3,704,980 = 3,704,980 : x
2. Step 2: Convert to fraction form
   1,686,602/3,704,980 = 3,704,980/x
3. Step 3: Cross multiply
   1,686,602x = 3,704,980 × 3,704,980
4. Step 4: Simplify right side
   1,686,602x = 13,726,876,800,400
5. Step 5: Solve for x
   x = 13,726,876,800,400/1,686,602
6. Step 6: Final answer
   x = 8,138,776.55