Finding the Third Proportional to 104,680.50 and 149,517

Step by Step Solution

1. Step 1: Write the proportion equation
   104,680.50 : 149,517 = 149,517 : x
2. Step 2: Convert to fraction form
   104,680.50/149,517 = 149,517/x
3. Step 3: Cross multiply
   104,680.50x = 149,517 × 149,517
4. Step 4: Simplify right side
   104,680.50x = 22,355,333,289
5. Step 5: Solve for x
   x = 22,355,333,289/104,680.50
6. Step 6: Final answer
   x = 213,557.76