Finding the Third Proportional to 450,801 and 697,663.50

Step by Step Solution

1. Step 1: Write the proportion equation
   450,801 : 697,663.50 = 697,663.50 : x
2. Step 2: Convert to fraction form
   450,801/697,663.50 = 697,663.50/x
3. Step 3: Cross multiply
   450,801x = 697,663.50 × 697,663.50
4. Step 4: Simplify right side
   450,801x = 486,734,359,232.25
5. Step 5: Solve for x
   x = 486,734,359,232.25/450,801
6. Step 6: Final answer
   x = 1,079,710.03