Finding the Third Proportional to 1,686,791 and 3,673,080

Step by Step Solution

1. Step 1: Write the proportion equation
   1,686,791 : 3,673,080 = 3,673,080 : x
2. Step 2: Convert to fraction form
   1,686,791/3,673,080 = 3,673,080/x
3. Step 3: Cross multiply
   1,686,791x = 3,673,080 × 3,673,080
4. Step 4: Simplify right side
   1,686,791x = 13,491,516,686,400
5. Step 5: Solve for x
   x = 13,491,516,686,400/1,686,791
6. Step 6: Final answer
   x = 7,998,333.34