Finding the Third Proportional to 190,656 and 410,861.25

Step by Step Solution

1. Step 1: Write the proportion equation
   190,656 : 410,861.25 = 410,861.25 : x
2. Step 2: Convert to fraction form
   190,656/410,861.25 = 410,861.25/x
3. Step 3: Cross multiply
   190,656x = 410,861.25 × 410,861.25
4. Step 4: Simplify right side
   190,656x = 168,806,966,751.56
5. Step 5: Solve for x
   x = 168,806,966,751.56/190,656
6. Step 6: Final answer
   x = 885,400.76