Finding the Third Proportional to 104,440.50 and 214,411.50

Step by Step Solution

1. Step 1: Write the proportion equation
   104,440.50 : 214,411.50 = 214,411.50 : x
2. Step 2: Convert to fraction form
   104,440.50/214,411.50 = 214,411.50/x
3. Step 3: Cross multiply
   104,440.50x = 214,411.50 × 214,411.50
4. Step 4: Simplify right side
   104,440.50x = 45,972,291,332.25
5. Step 5: Solve for x
   x = 45,972,291,332.25/104,440.50
6. Step 6: Final answer
   x = 440,176.86