Finding the Third Proportional to 2,890,300 and 4,066,578

Step by Step Solution

1. Step 1: Write the proportion equation
   2,890,300 : 4,066,578 = 4,066,578 : x
2. Step 2: Convert to fraction form
   2,890,300/4,066,578 = 4,066,578/x
3. Step 3: Cross multiply
   2,890,300x = 4,066,578 × 4,066,578
4. Step 4: Simplify right side
   2,890,300x = 16,537,056,630,084
5. Step 5: Solve for x
   x = 16,537,056,630,084/2,890,300
6. Step 6: Final answer
   x = 5,721,570.99