Finding the Third Proportional to 668,216 and 1,036,274

Step by Step Solution

1. Step 1: Write the proportion equation
   668,216 : 1,036,274 = 1,036,274 : x
2. Step 2: Convert to fraction form
   668,216/1,036,274 = 1,036,274/x
3. Step 3: Cross multiply
   668,216x = 1,036,274 × 1,036,274
4. Step 4: Simplify right side
   668,216x = 1,073,863,803,076
5. Step 5: Solve for x
   x = 1,073,863,803,076/668,216
6. Step 6: Final answer
   x = 1,607,060.90