Finding the Third Proportional to 440,505 and 700,141.50

Step by Step Solution

1. Step 1: Write the proportion equation
   440,505 : 700,141.50 = 700,141.50 : x
2. Step 2: Convert to fraction form
   440,505/700,141.50 = 700,141.50/x
3. Step 3: Cross multiply
   440,505x = 700,141.50 × 700,141.50
4. Step 4: Simplify right side
   440,505x = 490,198,120,022.25
5. Step 5: Solve for x
   x = 490,198,120,022.25/440,505
6. Step 6: Final answer
   x = 1,112,809.43