Finding the Third Proportional to 321,457.50 and 700,044

Step by Step Solution

1. Step 1: Write the proportion equation
   321,457.50 : 700,044 = 700,044 : x
2. Step 2: Convert to fraction form
   321,457.50/700,044 = 700,044/x
3. Step 3: Cross multiply
   321,457.50x = 700,044 × 700,044
4. Step 4: Simplify right side
   321,457.50x = 490,061,601,936
5. Step 5: Solve for x
   x = 490,061,601,936/321,457.50
6. Step 6: Final answer
   x = 1,524,498.89