Finding the Third Proportional to 222,528 and 478,752

Step by Step Solution

1. Step 1: Write the proportion equation
   222,528 : 478,752 = 478,752 : x
2. Step 2: Convert to fraction form
   222,528/478,752 = 478,752/x
3. Step 3: Cross multiply
   222,528x = 478,752 × 478,752
4. Step 4: Simplify right side
   222,528x = 229,203,477,504
5. Step 5: Solve for x
   x = 229,203,477,504/222,528
6. Step 6: Final answer
   x = 1,029,998.37