Finding the Third Proportional to 218,112 and 470,592

Step by Step Solution

1. Step 1: Write the proportion equation
   218,112 : 470,592 = 470,592 : x
2. Step 2: Convert to fraction form
   218,112/470,592 = 470,592/x
3. Step 3: Cross multiply
   218,112x = 470,592 × 470,592
4. Step 4: Simplify right side
   218,112x = 221,456,830,464
5. Step 5: Solve for x
   x = 221,456,830,464/218,112
6. Step 6: Final answer
   x = 1,015,335.38