Finding the Third Proportional to 1,131,264 and 1,582,416

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131,264 : 1,582,416 = 1,582,416 : x
2. Step 2: Convert to fraction form
   1,131,264/1,582,416 = 1,582,416/x
3. Step 3: Cross multiply
   1,131,264x = 1,582,416 × 1,582,416
4. Step 4: Simplify right side
   1,131,264x = 2,504,040,397,056
5. Step 5: Solve for x
   x = 2,504,040,397,056/1,131,264
6. Step 6: Final answer
   x = 2,213,488.98