Finding the Third Proportional to 1,391,019 and 2,931,483

Step by Step Solution

1. Step 1: Write the proportion equation
   1,391,019 : 2,931,483 = 2,931,483 : x
2. Step 2: Convert to fraction form
   1,391,019/2,931,483 = 2,931,483/x
3. Step 3: Cross multiply
   1,391,019x = 2,931,483 × 2,931,483
4. Step 4: Simplify right side
   1,391,019x = 8,593,592,579,289
5. Step 5: Solve for x
   x = 8,593,592,579,289/1,391,019
6. Step 6: Final answer
   x = 6,177,911.72