Finding the Third Proportional to 530,491.50 and 1,085,494.50

Step by Step Solution

1. Step 1: Write the proportion equation
   530,491.50 : 1,085,494.50 = 1,085,494.50 : x
2. Step 2: Convert to fraction form
   530,491.50/1,085,494.50 = 1,085,494.50/x
3. Step 3: Cross multiply
   530,491.50x = 1,085,494.50 × 1,085,494.50
4. Step 4: Simplify right side
   530,491.50x = 1,178,298,309,530.25
5. Step 5: Solve for x
   x = 1,178,298,309,530.25/530,491.50
6. Step 6: Final answer
   x = 2,221,144.56