Finding the Third Proportional to 100,905.75 and 214,110

Step by Step Solution

1. Step 1: Write the proportion equation
   100,905.75 : 214,110 = 214,110 : x
2. Step 2: Convert to fraction form
   100,905.75/214,110 = 214,110/x
3. Step 3: Cross multiply
   100,905.75x = 214,110 × 214,110
4. Step 4: Simplify right side
   100,905.75x = 45,843,092,100
5. Step 5: Solve for x
   x = 45,843,092,100/100,905.75
6. Step 6: Final answer
   x = 454,315.95