Finding the Third Proportional to 219,302 and 472,512

Step by Step Solution

1. Step 1: Write the proportion equation
   219,302 : 472,512 = 472,512 : x
2. Step 2: Convert to fraction form
   219,302/472,512 = 472,512/x
3. Step 3: Cross multiply
   219,302x = 472,512 × 472,512
4. Step 4: Simplify right side
   219,302x = 223,267,590,144
5. Step 5: Solve for x
   x = 223,267,590,144/219,302
6. Step 6: Final answer
   x = 1,018,082.78