Finding the Third Proportional to 877,778 and 1,888,756

Step by Step Solution

1. Step 1: Write the proportion equation
   877,778 : 1,888,756 = 1,888,756 : x
2. Step 2: Convert to fraction form
   877,778/1,888,756 = 1,888,756/x
3. Step 3: Cross multiply
   877,778x = 1,888,756 × 1,888,756
4. Step 4: Simplify right side
   877,778x = 3,567,399,227,536
5. Step 5: Solve for x
   x = 3,567,399,227,536/877,778
6. Step 6: Final answer
   x = 4,064,124.67