Finding the Third Proportional to 3,867,559 and 8,196,148

Step by Step Solution

1. Step 1: Write the proportion equation
   3,867,559 : 8,196,148 = 8,196,148 : x
2. Step 2: Convert to fraction form
   3,867,559/8,196,148 = 8,196,148/x
3. Step 3: Cross multiply
   3,867,559x = 8,196,148 × 8,196,148
4. Step 4: Simplify right side
   3,867,559x = 67,176,842,037,904
5. Step 5: Solve for x
   x = 67,176,842,037,904/3,867,559
6. Step 6: Final answer
   x = 17,369,312.80