Finding the Third Proportional to 1,122,056 and 1,578,252

Step by Step Solution

1. Step 1: Write the proportion equation
   1,122,056 : 1,578,252 = 1,578,252 : x
2. Step 2: Convert to fraction form
   1,122,056/1,578,252 = 1,578,252/x
3. Step 3: Cross multiply
   1,122,056x = 1,578,252 × 1,578,252
4. Step 4: Simplify right side
   1,122,056x = 2,490,879,375,504
5. Step 5: Solve for x
   x = 2,490,879,375,504/1,122,056
6. Step 6: Final answer
   x = 2,219,924.30