Finding the Third Proportional to 89,316 and 190,914

Step by Step Solution

1. Step 1: Write the proportion equation
   89,316 : 190,914 = 190,914 : x
2. Step 2: Convert to fraction form
   89,316/190,914 = 190,914/x
3. Step 3: Cross multiply
   89,316x = 190,914 × 190,914
4. Step 4: Simplify right side
   89,316x = 36,448,155,396
5. Step 5: Solve for x
   x = 36,448,155,396/89,316
6. Step 6: Final answer
   x = 408,080.92