Finding the Third Proportional to 111,549.50 and 169,938

Step by Step Solution

1. Step 1: Write the proportion equation
   111,549.50 : 169,938 = 169,938 : x
2. Step 2: Convert to fraction form
   111,549.50/169,938 = 169,938/x
3. Step 3: Cross multiply
   111,549.50x = 169,938 × 169,938
4. Step 4: Simplify right side
   111,549.50x = 28,878,923,844
5. Step 5: Solve for x
   x = 28,878,923,844/111,549.50
6. Step 6: Final answer
   x = 258,888.87