Finding the Third Proportional to 510,403 and 1,118,493

Step by Step Solution

1. Step 1: Write the proportion equation
   510,403 : 1,118,493 = 1,118,493 : x
2. Step 2: Convert to fraction form
   510,403/1,118,493 = 1,118,493/x
3. Step 3: Cross multiply
   510,403x = 1,118,493 × 1,118,493
4. Step 4: Simplify right side
   510,403x = 1,251,026,591,049
5. Step 5: Solve for x
   x = 1,251,026,591,049/510,403
6. Step 6: Final answer
   x = 2,451,056.50