Finding the Third Proportional to 103,965 and 167,431.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,965 : 167,431.50 = 167,431.50 : x
2. Step 2: Convert to fraction form
   103,965/167,431.50 = 167,431.50/x
3. Step 3: Cross multiply
   103,965x = 167,431.50 × 167,431.50
4. Step 4: Simplify right side
   103,965x = 28,033,307,192.25
5. Step 5: Solve for x
   x = 28,033,307,192.25/103,965
6. Step 6: Final answer
   x = 269,641.78