Finding the Third Proportional to 510,814 and 1,036,220

Step by Step Solution

1. Step 1: Write the proportion equation
   510,814 : 1,036,220 = 1,036,220 : x
2. Step 2: Convert to fraction form
   510,814/1,036,220 = 1,036,220/x
3. Step 3: Cross multiply
   510,814x = 1,036,220 × 1,036,220
4. Step 4: Simplify right side
   510,814x = 1,073,751,888,400
5. Step 5: Solve for x
   x = 1,073,751,888,400/510,814
6. Step 6: Final answer
   x = 2,102,040.84