Finding the Third Proportional to 161,181 and 207,462.50

Step by Step Solution

1. Step 1: Write the proportion equation
   161,181 : 207,462.50 = 207,462.50 : x
2. Step 2: Convert to fraction form
   161,181/207,462.50 = 207,462.50/x
3. Step 3: Cross multiply
   161,181x = 207,462.50 × 207,462.50
4. Step 4: Simplify right side
   161,181x = 43,040,688,906.25
5. Step 5: Solve for x
   x = 43,040,688,906.25/161,181
6. Step 6: Final answer
   x = 267,033.27