Finding the Third Proportional to 886,867.50 and 1,945,419

Step by Step Solution

1. Step 1: Write the proportion equation
   886,867.50 : 1,945,419 = 1,945,419 : x
2. Step 2: Convert to fraction form
   886,867.50/1,945,419 = 1,945,419/x
3. Step 3: Cross multiply
   886,867.50x = 1,945,419 × 1,945,419
4. Step 4: Simplify right side
   886,867.50x = 3,784,655,085,561
5. Step 5: Solve for x
   x = 3,784,655,085,561/886,867.50
6. Step 6: Final answer
   x = 4,267,441.40