Finding the Third Proportional to 1,478,386 and 3,177,624

Step by Step Solution

1. Step 1: Write the proportion equation
   1,478,386 : 3,177,624 = 3,177,624 : x
2. Step 2: Convert to fraction form
   1,478,386/3,177,624 = 3,177,624/x
3. Step 3: Cross multiply
   1,478,386x = 3,177,624 × 3,177,624
4. Step 4: Simplify right side
   1,478,386x = 10,097,294,285,376
5. Step 5: Solve for x
   x = 10,097,294,285,376/1,478,386
6. Step 6: Final answer
   x = 6,829,944.47