Finding the Third Proportional to 1,122,066 and 1,578,267

Step by Step Solution

1. Step 1: Write the proportion equation
   1,122,066 : 1,578,267 = 1,578,267 : x
2. Step 2: Convert to fraction form
   1,122,066/1,578,267 = 1,578,267/x
3. Step 3: Cross multiply
   1,122,066x = 1,578,267 × 1,578,267
4. Step 4: Simplify right side
   1,122,066x = 2,490,926,723,289
5. Step 5: Solve for x
   x = 2,490,926,723,289/1,122,066
6. Step 6: Final answer
   x = 2,219,946.71