Finding the Third Proportional to 1,861,830 and 4,055,436

Step by Step Solution

1. Step 1: Write the proportion equation
   1,861,830 : 4,055,436 = 4,055,436 : x
2. Step 2: Convert to fraction form
   1,861,830/4,055,436 = 4,055,436/x
3. Step 3: Cross multiply
   1,861,830x = 4,055,436 × 4,055,436
4. Step 4: Simplify right side
   1,861,830x = 16,446,561,150,096
5. Step 5: Solve for x
   x = 16,446,561,150,096/1,861,830
6. Step 6: Final answer
   x = 8,833,546.11