Finding the Third Proportional to 1,122,050 and 1,578,243

Step by Step Solution

1. Step 1: Write the proportion equation
   1,122,050 : 1,578,243 = 1,578,243 : x
2. Step 2: Convert to fraction form
   1,122,050/1,578,243 = 1,578,243/x
3. Step 3: Cross multiply
   1,122,050x = 1,578,243 × 1,578,243
4. Step 4: Simplify right side
   1,122,050x = 2,490,850,967,049
5. Step 5: Solve for x
   x = 2,490,850,967,049/1,122,050
6. Step 6: Final answer
   x = 2,219,910.85