Finding the Third Proportional to 221,748 and 479,119.50

Step by Step Solution

1. Step 1: Write the proportion equation
   221,748 : 479,119.50 = 479,119.50 : x
2. Step 2: Convert to fraction form
   221,748/479,119.50 = 479,119.50/x
3. Step 3: Cross multiply
   221,748x = 479,119.50 × 479,119.50
4. Step 4: Simplify right side
   221,748x = 229,555,495,280.25
5. Step 5: Solve for x
   x = 229,555,495,280.25/221,748
6. Step 6: Final answer
   x = 1,035,208.86