Finding the Third Proportional to 1,890,086 and 4,042,444

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890,086 : 4,042,444 = 4,042,444 : x
2. Step 2: Convert to fraction form
   1,890,086/4,042,444 = 4,042,444/x
3. Step 3: Cross multiply
   1,890,086x = 4,042,444 × 4,042,444
4. Step 4: Simplify right side
   1,890,086x = 16,341,353,493,136
5. Step 5: Solve for x
   x = 16,341,353,493,136/1,890,086
6. Step 6: Final answer
   x = 8,645,825.37