Finding the Third Proportional to 668,041.50 and 1,401,729

Step by Step Solution

1. Step 1: Write the proportion equation
   668,041.50 : 1,401,729 = 1,401,729 : x
2. Step 2: Convert to fraction form
   668,041.50/1,401,729 = 1,401,729/x
3. Step 3: Cross multiply
   668,041.50x = 1,401,729 × 1,401,729
4. Step 4: Simplify right side
   668,041.50x = 1,964,844,189,441
5. Step 5: Solve for x
   x = 1,964,844,189,441/668,041.50
6. Step 6: Final answer
   x = 2,941,200.79