Finding the Third Proportional to 815,778 and 1,767,150

Step by Step Solution

1. Step 1: Write the proportion equation
   815,778 : 1,767,150 = 1,767,150 : x
2. Step 2: Convert to fraction form
   815,778/1,767,150 = 1,767,150/x
3. Step 3: Cross multiply
   815,778x = 1,767,150 × 1,767,150
4. Step 4: Simplify right side
   815,778x = 3,122,819,122,500
5. Step 5: Solve for x
   x = 3,122,819,122,500/815,778
6. Step 6: Final answer
   x = 3,828,025.67