Finding the Third Proportional to 190,501.50 and 407,244

Step by Step Solution

1. Step 1: Write the proportion equation
   190,501.50 : 407,244 = 407,244 : x
2. Step 2: Convert to fraction form
   190,501.50/407,244 = 407,244/x
3. Step 3: Cross multiply
   190,501.50x = 407,244 × 407,244
4. Step 4: Simplify right side
   190,501.50x = 165,847,675,536
5. Step 5: Solve for x
   x = 165,847,675,536/190,501.50
6. Step 6: Final answer
   x = 870,584.62