Finding the Third Proportional to 499,289 and 1,091,800

Step by Step Solution

1. Step 1: Write the proportion equation
   499,289 : 1,091,800 = 1,091,800 : x
2. Step 2: Convert to fraction form
   499,289/1,091,800 = 1,091,800/x
3. Step 3: Cross multiply
   499,289x = 1,091,800 × 1,091,800
4. Step 4: Simplify right side
   499,289x = 1,192,027,240,000
5. Step 5: Solve for x
   x = 1,192,027,240,000/499,289
6. Step 6: Final answer
   x = 2,387,449.43