Finding the Third Proportional to 3,002,940 and 6,478,272

Step by Step Solution

1. Step 1: Write the proportion equation
   3,002,940 : 6,478,272 = 6,478,272 : x
2. Step 2: Convert to fraction form
   3,002,940/6,478,272 = 6,478,272/x
3. Step 3: Cross multiply
   3,002,940x = 6,478,272 × 6,478,272
4. Step 4: Simplify right side
   3,002,940x = 41,968,008,105,984
5. Step 5: Solve for x
   x = 41,968,008,105,984/3,002,940
6. Step 6: Final answer
   x = 13,975,639.91