Finding the Third Proportional to 851,462 and 1,309,137

Step by Step Solution

1. Step 1: Write the proportion equation
   851,462 : 1,309,137 = 1,309,137 : x
2. Step 2: Convert to fraction form
   851,462/1,309,137 = 1,309,137/x
3. Step 3: Cross multiply
   851,462x = 1,309,137 × 1,309,137
4. Step 4: Simplify right side
   851,462x = 1,713,839,684,769
5. Step 5: Solve for x
   x = 1,713,839,684,769/851,462
6. Step 6: Final answer
   x = 2,012,819.93