Finding the Third Proportional to 851,451 and 1,309,130

Step by Step Solution

1. Step 1: Write the proportion equation
   851,451 : 1,309,130 = 1,309,130 : x
2. Step 2: Convert to fraction form
   851,451/1,309,130 = 1,309,130/x
3. Step 3: Cross multiply
   851,451x = 1,309,130 × 1,309,130
4. Step 4: Simplify right side
   851,451x = 1,713,821,356,900
5. Step 5: Solve for x
   x = 1,713,821,356,900/851,451
6. Step 6: Final answer
   x = 2,012,824.41