Finding the Third Proportional to 1,278,528 and 2,756,322

Step by Step Solution

1. Step 1: Write the proportion equation
   1,278,528 : 2,756,322 = 2,756,322 : x
2. Step 2: Convert to fraction form
   1,278,528/2,756,322 = 2,756,322/x
3. Step 3: Cross multiply
   1,278,528x = 2,756,322 × 2,756,322
4. Step 4: Simplify right side
   1,278,528x = 7,597,310,967,684
5. Step 5: Solve for x
   x = 7,597,310,967,684/1,278,528
6. Step 6: Final answer
   x = 5,942,232.76