Finding the Third Proportional to 1,198,912 and 2,567,870

Step by Step Solution

1. Step 1: Write the proportion equation
   1,198,912 : 2,567,870 = 2,567,870 : x
2. Step 2: Convert to fraction form
   1,198,912/2,567,870 = 2,567,870/x
3. Step 3: Cross multiply
   1,198,912x = 2,567,870 × 2,567,870
4. Step 4: Simplify right side
   1,198,912x = 6,593,956,336,900
5. Step 5: Solve for x
   x = 6,593,956,336,900/1,198,912
6. Step 6: Final answer
   x = 5,499,950.24