Finding the Third Proportional to 104,826.25 and 139,662.50

Step by Step Solution

1. Step 1: Write the proportion equation
   104,826.25 : 139,662.50 = 139,662.50 : x
2. Step 2: Convert to fraction form
   104,826.25/139,662.50 = 139,662.50/x
3. Step 3: Cross multiply
   104,826.25x = 139,662.50 × 139,662.50
4. Step 4: Simplify right side
   104,826.25x = 19,505,613,906.25
5. Step 5: Solve for x
   x = 19,505,613,906.25/104,826.25
6. Step 6: Final answer
   x = 186,075.66