Finding the Third Proportional to 212,672 and 463,980

Step by Step Solution

1. Step 1: Write the proportion equation
   212,672 : 463,980 = 463,980 : x
2. Step 2: Convert to fraction form
   212,672/463,980 = 463,980/x
3. Step 3: Cross multiply
   212,672x = 463,980 × 463,980
4. Step 4: Simplify right side
   212,672x = 215,277,440,400
5. Step 5: Solve for x
   x = 215,277,440,400/212,672
6. Step 6: Final answer
   x = 1,012,250.98