Finding the Third Proportional to 218,178 and 479,232

Step by Step Solution

1. Step 1: Write the proportion equation
   218,178 : 479,232 = 479,232 : x
2. Step 2: Convert to fraction form
   218,178/479,232 = 479,232/x
3. Step 3: Cross multiply
   218,178x = 479,232 × 479,232
4. Step 4: Simplify right side
   218,178x = 229,663,309,824
5. Step 5: Solve for x
   x = 229,663,309,824/218,178
6. Step 6: Final answer
   x = 1,052,641.92