Finding the Third Proportional to 5,536,842 and 8,668,149

Step by Step Solution

1. Step 1: Write the proportion equation
   5,536,842 : 8,668,149 = 8,668,149 : x
2. Step 2: Convert to fraction form
   5,536,842/8,668,149 = 8,668,149/x
3. Step 3: Cross multiply
   5,536,842x = 8,668,149 × 8,668,149
4. Step 4: Simplify right side
   5,536,842x = 75,136,807,086,201
5. Step 5: Solve for x
   x = 75,136,807,086,201/5,536,842
6. Step 6: Final answer
   x = 13,570,336.14