Finding the Third Proportional to 478,122 and 1,040,364

Step by Step Solution

1. Step 1: Write the proportion equation
   478,122 : 1,040,364 = 1,040,364 : x
2. Step 2: Convert to fraction form
   478,122/1,040,364 = 1,040,364/x
3. Step 3: Cross multiply
   478,122x = 1,040,364 × 1,040,364
4. Step 4: Simplify right side
   478,122x = 1,082,357,252,496
5. Step 5: Solve for x
   x = 1,082,357,252,496/478,122
6. Step 6: Final answer
   x = 2,263,767.93