Finding the Third Proportional to 90,532 and 199,112

Step by Step Solution

1. Step 1: Write the proportion equation
   90,532 : 199,112 = 199,112 : x
2. Step 2: Convert to fraction form
   90,532/199,112 = 199,112/x
3. Step 3: Cross multiply
   90,532x = 199,112 × 199,112
4. Step 4: Simplify right side
   90,532x = 39,645,588,544
5. Step 5: Solve for x
   x = 39,645,588,544/90,532
6. Step 6: Final answer
   x = 437,917.96