Finding the Third Proportional to 219,748 and 470,600

Step by Step Solution

1. Step 1: Write the proportion equation
   219,748 : 470,600 = 470,600 : x
2. Step 2: Convert to fraction form
   219,748/470,600 = 470,600/x
3. Step 3: Cross multiply
   219,748x = 470,600 × 470,600
4. Step 4: Simplify right side
   219,748x = 221,464,360,000
5. Step 5: Solve for x
   x = 221,464,360,000/219,748
6. Step 6: Final answer
   x = 1,007,810.58