Finding the Third Proportional to 221,796 and 347,479.50

Step by Step Solution

1. Step 1: Write the proportion equation
   221,796 : 347,479.50 = 347,479.50 : x
2. Step 2: Convert to fraction form
   221,796/347,479.50 = 347,479.50/x
3. Step 3: Cross multiply
   221,796x = 347,479.50 × 347,479.50
4. Step 4: Simplify right side
   221,796x = 120,742,002,920.25
5. Step 5: Solve for x
   x = 120,742,002,920.25/221,796
6. Step 6: Final answer
   x = 544,383.14