Finding the Third Proportional to 478,188 and 1,040,494.50

Step by Step Solution

1. Step 1: Write the proportion equation
   478,188 : 1,040,494.50 = 1,040,494.50 : x
2. Step 2: Convert to fraction form
   478,188/1,040,494.50 = 1,040,494.50/x
3. Step 3: Cross multiply
   478,188x = 1,040,494.50 × 1,040,494.50
4. Step 4: Simplify right side
   478,188x = 1,082,628,804,530.25
5. Step 5: Solve for x
   x = 1,082,628,804,530.25/478,188
6. Step 6: Final answer
   x = 2,264,023.36