Finding the Third Proportional to 1,278,522 and 2,756,307

Step by Step Solution

1. Step 1: Write the proportion equation
   1,278,522 : 2,756,307 = 2,756,307 : x
2. Step 2: Convert to fraction form
   1,278,522/2,756,307 = 2,756,307/x
3. Step 3: Cross multiply
   1,278,522x = 2,756,307 × 2,756,307
4. Step 4: Simplify right side
   1,278,522x = 7,597,228,278,249
5. Step 5: Solve for x
   x = 7,597,228,278,249/1,278,522
6. Step 6: Final answer
   x = 5,942,195.97