Finding the Third Proportional to 1,662,167 and 3,639,615

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662,167 : 3,639,615 = 3,639,615 : x
2. Step 2: Convert to fraction form
   1,662,167/3,639,615 = 3,639,615/x
3. Step 3: Cross multiply
   1,662,167x = 3,639,615 × 3,639,615
4. Step 4: Simplify right side
   1,662,167x = 13,246,797,348,225
5. Step 5: Solve for x
   x = 13,246,797,348,225/1,662,167
6. Step 6: Final answer
   x = 7,969,594.72