Finding the Third Proportional to 767,778 and 1,204,308

Step by Step Solution

1. Step 1: Write the proportion equation
   767,778 : 1,204,308 = 1,204,308 : x
2. Step 2: Convert to fraction form
   767,778/1,204,308 = 1,204,308/x
3. Step 3: Cross multiply
   767,778x = 1,204,308 × 1,204,308
4. Step 4: Simplify right side
   767,778x = 1,450,357,758,864
5. Step 5: Solve for x
   x = 1,450,357,758,864/767,778
6. Step 6: Final answer
   x = 1,889,032.71