Finding the Third Proportional to 104,587.50 and 214,735.50

Step by Step Solution

1. Step 1: Write the proportion equation
   104,587.50 : 214,735.50 = 214,735.50 : x
2. Step 2: Convert to fraction form
   104,587.50/214,735.50 = 214,735.50/x
3. Step 3: Cross multiply
   104,587.50x = 214,735.50 × 214,735.50
4. Step 4: Simplify right side
   104,587.50x = 46,111,334,960.25
5. Step 5: Solve for x
   x = 46,111,334,960.25/104,587.50
6. Step 6: Final answer
   x = 440,887.63