Finding the Third Proportional to 188,428.50 and 410,734.50

Step by Step Solution

1. Step 1: Write the proportion equation
   188,428.50 : 410,734.50 = 410,734.50 : x
2. Step 2: Convert to fraction form
   188,428.50/410,734.50 = 410,734.50/x
3. Step 3: Cross multiply
   188,428.50x = 410,734.50 × 410,734.50
4. Step 4: Simplify right side
   188,428.50x = 168,702,829,490.25
5. Step 5: Solve for x
   x = 168,702,829,490.25/188,428.50
6. Step 6: Final answer
   x = 895,314.82