Finding the Third Proportional to 1,682,388 and 3,648,726

Step by Step Solution

1. Step 1: Write the proportion equation
   1,682,388 : 3,648,726 = 3,648,726 : x
2. Step 2: Convert to fraction form
   1,682,388/3,648,726 = 3,648,726/x
3. Step 3: Cross multiply
   1,682,388x = 3,648,726 × 3,648,726
4. Step 4: Simplify right side
   1,682,388x = 13,313,201,423,076
5. Step 5: Solve for x
   x = 13,313,201,423,076/1,682,388
6. Step 6: Final answer
   x = 7,913,276.50