Finding the Third Proportional to 1,682,863 and 3,670,321

Step by Step Solution

1. Step 1: Write the proportion equation
   1,682,863 : 3,670,321 = 3,670,321 : x
2. Step 2: Convert to fraction form
   1,682,863/3,670,321 = 3,670,321/x
3. Step 3: Cross multiply
   1,682,863x = 3,670,321 × 3,670,321
4. Step 4: Simplify right side
   1,682,863x = 13,471,256,243,041
5. Step 5: Solve for x
   x = 13,471,256,243,041/1,682,863
6. Step 6: Final answer
   x = 8,004,963.12