Finding the Third Proportional to 3,867,574 and 8,196,168

Step by Step Solution

1. Step 1: Write the proportion equation
   3,867,574 : 8,196,168 = 8,196,168 : x
2. Step 2: Convert to fraction form
   3,867,574/8,196,168 = 8,196,168/x
3. Step 3: Cross multiply
   3,867,574x = 8,196,168 × 8,196,168
4. Step 4: Simplify right side
   3,867,574x = 67,177,169,884,224
5. Step 5: Solve for x
   x = 67,177,169,884,224/3,867,574
6. Step 6: Final answer
   x = 17,369,330.20