Finding the Third Proportional to 146,197.50 and 320,316

Step by Step Solution

1. Step 1: Write the proportion equation
   146,197.50 : 320,316 = 320,316 : x
2. Step 2: Convert to fraction form
   146,197.50/320,316 = 320,316/x
3. Step 3: Cross multiply
   146,197.50x = 320,316 × 320,316
4. Step 4: Simplify right side
   146,197.50x = 102,602,339,856
5. Step 5: Solve for x
   x = 102,602,339,856/146,197.50
6. Step 6: Final answer
   x = 701,806.39