Finding the Third Proportional to 478,026 and 1,040,328

Step by Step Solution

1. Step 1: Write the proportion equation
   478,026 : 1,040,328 = 1,040,328 : x
2. Step 2: Convert to fraction form
   478,026/1,040,328 = 1,040,328/x
3. Step 3: Cross multiply
   478,026x = 1,040,328 × 1,040,328
4. Step 4: Simplify right side
   478,026x = 1,082,282,347,584
5. Step 5: Solve for x
   x = 1,082,282,347,584/478,026
6. Step 6: Final answer
   x = 2,264,065.86