Finding the Third Proportional to 188,608.50 and 410,508

Step by Step Solution

1. Step 1: Write the proportion equation
   188,608.50 : 410,508 = 410,508 : x
2. Step 2: Convert to fraction form
   188,608.50/410,508 = 410,508/x
3. Step 3: Cross multiply
   188,608.50x = 410,508 × 410,508
4. Step 4: Simplify right side
   188,608.50x = 168,516,818,064
5. Step 5: Solve for x
   x = 168,516,818,064/188,608.50
6. Step 6: Final answer
   x = 893,474.14