Finding the Third Proportional to 668,834 and 1,036,786

Step by Step Solution

1. Step 1: Write the proportion equation
   668,834 : 1,036,786 = 1,036,786 : x
2. Step 2: Convert to fraction form
   668,834/1,036,786 = 1,036,786/x
3. Step 3: Cross multiply
   668,834x = 1,036,786 × 1,036,786
4. Step 4: Simplify right side
   668,834x = 1,074,925,209,796
5. Step 5: Solve for x
   x = 1,074,925,209,796/668,834
6. Step 6: Final answer
   x = 1,607,162.93