Finding the Third Proportional to 214,738 and 485,152

Step by Step Solution

1. Step 1: Write the proportion equation
   214,738 : 485,152 = 485,152 : x
2. Step 2: Convert to fraction form
   214,738/485,152 = 485,152/x
3. Step 3: Cross multiply
   214,738x = 485,152 × 485,152
4. Step 4: Simplify right side
   214,738x = 235,372,463,104
5. Step 5: Solve for x
   x = 235,372,463,104/214,738
6. Step 6: Final answer
   x = 1,096,091.34