Finding the Third Proportional to 111,903 and 173,526.75

Step by Step Solution

1. Step 1: Write the proportion equation
   111,903 : 173,526.75 = 173,526.75 : x
2. Step 2: Convert to fraction form
   111,903/173,526.75 = 173,526.75/x
3. Step 3: Cross multiply
   111,903x = 173,526.75 × 173,526.75
4. Step 4: Simplify right side
   111,903x = 30,111,532,965.56
5. Step 5: Solve for x
   x = 30,111,532,965.56/111,903
6. Step 6: Final answer
   x = 269,086.02