Finding the Third Proportional to 190,132.50 and 413,112

Step by Step Solution

1. Step 1: Write the proportion equation
   190,132.50 : 413,112 = 413,112 : x
2. Step 2: Convert to fraction form
   190,132.50/413,112 = 413,112/x
3. Step 3: Cross multiply
   190,132.50x = 413,112 × 413,112
4. Step 4: Simplify right side
   190,132.50x = 170,661,524,544
5. Step 5: Solve for x
   x = 170,661,524,544/190,132.50
6. Step 6: Final answer
   x = 897,592.60