Finding the Third Proportional to 1,617,570 and 2,146,419

Step by Step Solution

1. Step 1: Write the proportion equation
   1,617,570 : 2,146,419 = 2,146,419 : x
2. Step 2: Convert to fraction form
   1,617,570/2,146,419 = 2,146,419/x
3. Step 3: Cross multiply
   1,617,570x = 2,146,419 × 2,146,419
4. Step 4: Simplify right side
   1,617,570x = 4,607,114,523,561
5. Step 5: Solve for x
   x = 4,607,114,523,561/1,617,570
6. Step 6: Final answer
   x = 2,848,170.11