Finding the Third Proportional to 104,166 and 215,716.50

Step by Step Solution

1. Step 1: Write the proportion equation
   104,166 : 215,716.50 = 215,716.50 : x
2. Step 2: Convert to fraction form
   104,166/215,716.50 = 215,716.50/x
3. Step 3: Cross multiply
   104,166x = 215,716.50 × 215,716.50
4. Step 4: Simplify right side
   104,166x = 46,533,608,372.25
5. Step 5: Solve for x
   x = 46,533,608,372.25/104,166
6. Step 6: Final answer
   x = 446,725.50