Finding the Third Proportional to 10,485,684 and 14,166,816

Step by Step Solution

1. Step 1: Write the proportion equation
   10,485,684 : 14,166,816 = 14,166,816 : x
2. Step 2: Convert to fraction form
   10,485,684/14,166,816 = 14,166,816/x
3. Step 3: Cross multiply
   10,485,684x = 14,166,816 × 14,166,816
4. Step 4: Simplify right side
   10,485,684x = 200,698,675,577,856
5. Step 5: Solve for x
   x = 200,698,675,577,856/10,485,684
6. Step 6: Final answer
   x = 19,140,255.95