Finding the Third Proportional to 1,997,390 and 2,826,247

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997,390 : 2,826,247 = 2,826,247 : x
2. Step 2: Convert to fraction form
   1,997,390/2,826,247 = 2,826,247/x
3. Step 3: Cross multiply
   1,997,390x = 2,826,247 × 2,826,247
4. Step 4: Simplify right side
   1,997,390x = 7,987,672,105,009
5. Step 5: Solve for x
   x = 7,987,672,105,009/1,997,390
6. Step 6: Final answer
   x = 3,999,054.82