Finding the Third Proportional to 219,144 and 475,440

Step by Step Solution

1. Step 1: Write the proportion equation
   219,144 : 475,440 = 475,440 : x
2. Step 2: Convert to fraction form
   219,144/475,440 = 475,440/x
3. Step 3: Cross multiply
   219,144x = 475,440 × 475,440
4. Step 4: Simplify right side
   219,144x = 226,043,193,600
5. Step 5: Solve for x
   x = 226,043,193,600/219,144
6. Step 6: Final answer
   x = 1,031,482.47