Finding the Third Proportional to 219,798 and 470,700

Step by Step Solution

1. Step 1: Write the proportion equation
   219,798 : 470,700 = 470,700 : x
2. Step 2: Convert to fraction form
   219,798/470,700 = 470,700/x
3. Step 3: Cross multiply
   219,798x = 470,700 × 470,700
4. Step 4: Simplify right side
   219,798x = 221,558,490,000
5. Step 5: Solve for x
   x = 221,558,490,000/219,798
6. Step 6: Final answer
   x = 1,008,009.58