Finding the Third Proportional to 1,278,516 and 2,756,295

Step by Step Solution

1. Step 1: Write the proportion equation
   1,278,516 : 2,756,295 = 2,756,295 : x
2. Step 2: Convert to fraction form
   1,278,516/2,756,295 = 2,756,295/x
3. Step 3: Cross multiply
   1,278,516x = 2,756,295 × 2,756,295
4. Step 4: Simplify right side
   1,278,516x = 7,597,162,127,025
5. Step 5: Solve for x
   x = 7,597,162,127,025/1,278,516
6. Step 6: Final answer
   x = 5,942,172.12