Finding the Third Proportional to 1,200,116 and 2,560,936

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200,116 : 2,560,936 = 2,560,936 : x
2. Step 2: Convert to fraction form
   1,200,116/2,560,936 = 2,560,936/x
3. Step 3: Cross multiply
   1,200,116x = 2,560,936 × 2,560,936
4. Step 4: Simplify right side
   1,200,116x = 6,558,393,196,096
5. Step 5: Solve for x
   x = 6,558,393,196,096/1,200,116
6. Step 6: Final answer
   x = 5,464,799.40