Finding the Third Proportional to 1,662,177 and 3,639,633

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662,177 : 3,639,633 = 3,639,633 : x
2. Step 2: Convert to fraction form
   1,662,177/3,639,633 = 3,639,633/x
3. Step 3: Cross multiply
   1,662,177x = 3,639,633 × 3,639,633
4. Step 4: Simplify right side
   1,662,177x = 13,246,928,374,689
5. Step 5: Solve for x
   x = 13,246,928,374,689/1,662,177
6. Step 6: Final answer
   x = 7,969,625.60