Finding the Third Proportional to 3,308,269 and 7,166,144

Step by Step Solution

1. Step 1: Write the proportion equation
   3,308,269 : 7,166,144 = 7,166,144 : x
2. Step 2: Convert to fraction form
   3,308,269/7,166,144 = 7,166,144/x
3. Step 3: Cross multiply
   3,308,269x = 7,166,144 × 7,166,144
4. Step 4: Simplify right side
   3,308,269x = 51,353,619,828,736
5. Step 5: Solve for x
   x = 51,353,619,828,736/3,308,269
6. Step 6: Final answer
   x = 15,522,806.59