Finding the Third Proportional to 112,672 and 243,936

Step by Step Solution

1. Step 1: Write the proportion equation
   112,672 : 243,936 = 243,936 : x
2. Step 2: Convert to fraction form
   112,672/243,936 = 243,936/x
3. Step 3: Cross multiply
   112,672x = 243,936 × 243,936
4. Step 4: Simplify right side
   112,672x = 59,504,772,096
5. Step 5: Solve for x
   x = 59,504,772,096/112,672
6. Step 6: Final answer
   x = 528,123.86