Finding the Third Proportional to 89,691.50 and 190,316

Step by Step Solution

1. Step 1: Write the proportion equation
   89,691.50 : 190,316 = 190,316 : x
2. Step 2: Convert to fraction form
   89,691.50/190,316 = 190,316/x
3. Step 3: Cross multiply
   89,691.50x = 190,316 × 190,316
4. Step 4: Simplify right side
   89,691.50x = 36,220,179,856
5. Step 5: Solve for x
   x = 36,220,179,856/89,691.50
6. Step 6: Final answer
   x = 403,830.68