Finding the Third Proportional to 622,216.50 and 1,329,726

Step by Step Solution

1. Step 1: Write the proportion equation
   622,216.50 : 1,329,726 = 1,329,726 : x
2. Step 2: Convert to fraction form
   622,216.50/1,329,726 = 1,329,726/x
3. Step 3: Cross multiply
   622,216.50x = 1,329,726 × 1,329,726
4. Step 4: Simplify right side
   622,216.50x = 1,768,171,235,076
5. Step 5: Solve for x
   x = 1,768,171,235,076/622,216.50
6. Step 6: Final answer
   x = 2,841,729.90