Finding the Third Proportional to 1,478,395 and 3,177,644

Step by Step Solution

1. Step 1: Write the proportion equation
   1,478,395 : 3,177,644 = 3,177,644 : x
2. Step 2: Convert to fraction form
   1,478,395/3,177,644 = 3,177,644/x
3. Step 3: Cross multiply
   1,478,395x = 3,177,644 × 3,177,644
4. Step 4: Simplify right side
   1,478,395x = 10,097,421,390,736
5. Step 5: Solve for x
   x = 10,097,421,390,736/1,478,395
6. Step 6: Final answer
   x = 6,829,988.87