Finding the Third Proportional to 3,378,314 and 7,288,066

Step by Step Solution

1. Step 1: Write the proportion equation
   3,378,314 : 7,288,066 = 7,288,066 : x
2. Step 2: Convert to fraction form
   3,378,314/7,288,066 = 7,288,066/x
3. Step 3: Cross multiply
   3,378,314x = 7,288,066 × 7,288,066
4. Step 4: Simplify right side
   3,378,314x = 53,115,906,020,356
5. Step 5: Solve for x
   x = 53,115,906,020,356/3,378,314
6. Step 6: Final answer
   x = 15,722,607.79