Finding the Third Proportional to 3,867,558 and 8,196,145.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,867,558 : 8,196,145.50 = 8,196,145.50 : x
2. Step 2: Convert to fraction form
   3,867,558/8,196,145.50 = 8,196,145.50/x
3. Step 3: Cross multiply
   3,867,558x = 8,196,145.50 × 8,196,145.50
4. Step 4: Simplify right side
   3,867,558x = 67,176,801,057,170.25
5. Step 5: Solve for x
   x = 67,176,801,057,170.25/3,867,558
6. Step 6: Final answer
   x = 17,369,306.69