Finding the Third Proportional to 221,809.25 and 480,986

Step by Step Solution

1. Step 1: Write the proportion equation
   221,809.25 : 480,986 = 480,986 : x
2. Step 2: Convert to fraction form
   221,809.25/480,986 = 480,986/x
3. Step 3: Cross multiply
   221,809.25x = 480,986 × 480,986
4. Step 4: Simplify right side
   221,809.25x = 231,347,532,196
5. Step 5: Solve for x
   x = 231,347,532,196/221,809.25
6. Step 6: Final answer
   x = 1,043,002.18