Finding the Third Proportional to 667,974 and 1,401,558

Step by Step Solution

1. Step 1: Write the proportion equation
   667,974 : 1,401,558 = 1,401,558 : x
2. Step 2: Convert to fraction form
   667,974/1,401,558 = 1,401,558/x
3. Step 3: Cross multiply
   667,974x = 1,401,558 × 1,401,558
4. Step 4: Simplify right side
   667,974x = 1,964,364,827,364
5. Step 5: Solve for x
   x = 1,964,364,827,364/667,974
6. Step 6: Final answer
   x = 2,940,780.37