Finding the Third Proportional to 668,818 and 1,036,762

Step by Step Solution

1. Step 1: Write the proportion equation
   668,818 : 1,036,762 = 1,036,762 : x
2. Step 2: Convert to fraction form
   668,818/1,036,762 = 1,036,762/x
3. Step 3: Cross multiply
   668,818x = 1,036,762 × 1,036,762
4. Step 4: Simplify right side
   668,818x = 1,074,875,444,644
5. Step 5: Solve for x
   x = 1,074,875,444,644/668,818
6. Step 6: Final answer
   x = 1,607,126.97