Finding the Third Proportional to 1,478,018 and 3,177,028

Step by Step Solution

1. Step 1: Write the proportion equation
   1,478,018 : 3,177,028 = 3,177,028 : x
2. Step 2: Convert to fraction form
   1,478,018/3,177,028 = 3,177,028/x
3. Step 3: Cross multiply
   1,478,018x = 3,177,028 × 3,177,028
4. Step 4: Simplify right side
   1,478,018x = 10,093,506,912,784
5. Step 5: Solve for x
   x = 10,093,506,912,784/1,478,018
6. Step 6: Final answer
   x = 6,829,082.54