Finding the Third Proportional to 3,239,316 and 7,086,972

Step by Step Solution

1. Step 1: Write the proportion equation
   3,239,316 : 7,086,972 = 7,086,972 : x
2. Step 2: Convert to fraction form
   3,239,316/7,086,972 = 7,086,972/x
3. Step 3: Cross multiply
   3,239,316x = 7,086,972 × 7,086,972
4. Step 4: Simplify right side
   3,239,316x = 50,225,172,128,784
5. Step 5: Solve for x
   x = 50,225,172,128,784/3,239,316
6. Step 6: Final answer
   x = 15,504,869.59