Finding the Third Proportional to 886,859 and 1,945,397

Step by Step Solution

1. Step 1: Write the proportion equation
   886,859 : 1,945,397 = 1,945,397 : x
2. Step 2: Convert to fraction form
   886,859/1,945,397 = 1,945,397/x
3. Step 3: Cross multiply
   886,859x = 1,945,397 × 1,945,397
4. Step 4: Simplify right side
   886,859x = 3,784,569,487,609
5. Step 5: Solve for x
   x = 3,784,569,487,609/886,859
6. Step 6: Final answer
   x = 4,267,385.78