Finding the Third Proportional to 89,550 and 188,316

Step by Step Solution

1. Step 1: Write the proportion equation
   89,550 : 188,316 = 188,316 : x
2. Step 2: Convert to fraction form
   89,550/188,316 = 188,316/x
3. Step 3: Cross multiply
   89,550x = 188,316 × 188,316
4. Step 4: Simplify right side
   89,550x = 35,462,915,856
5. Step 5: Solve for x
   x = 35,462,915,856/89,550
6. Step 6: Final answer
   x = 396,012.46