Finding the Third Proportional to 1,877,778 and 4,054,890

Step by Step Solution

1. Step 1: Write the proportion equation
   1,877,778 : 4,054,890 = 4,054,890 : x
2. Step 2: Convert to fraction form
   1,877,778/4,054,890 = 4,054,890/x
3. Step 3: Cross multiply
   1,877,778x = 4,054,890 × 4,054,890
4. Step 4: Simplify right side
   1,877,778x = 16,442,132,912,100
5. Step 5: Solve for x
   x = 16,442,132,912,100/1,877,778
6. Step 6: Final answer
   x = 8,756,164.42