Finding the Third Proportional to 1,478,384 and 3,177,619

Step by Step Solution

1. Step 1: Write the proportion equation
   1,478,384 : 3,177,619 = 3,177,619 : x
2. Step 2: Convert to fraction form
   1,478,384/3,177,619 = 3,177,619/x
3. Step 3: Cross multiply
   1,478,384x = 3,177,619 × 3,177,619
4. Step 4: Simplify right side
   1,478,384x = 10,097,262,509,161
5. Step 5: Solve for x
   x = 10,097,262,509,161/1,478,384
6. Step 6: Final answer
   x = 6,829,932.22