Finding the Third Proportional to 1,198,080 and 2,578,844

Step by Step Solution

1. Step 1: Write the proportion equation
   1,198,080 : 2,578,844 = 2,578,844 : x
2. Step 2: Convert to fraction form
   1,198,080/2,578,844 = 2,578,844/x
3. Step 3: Cross multiply
   1,198,080x = 2,578,844 × 2,578,844
4. Step 4: Simplify right side
   1,198,080x = 6,650,436,376,336
5. Step 5: Solve for x
   x = 6,650,436,376,336/1,198,080
6. Step 6: Final answer
   x = 5,550,911.77