Finding the Third Proportional to 173,931 and 276,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   173,931 : 276,667.50 = 276,667.50 : x
2. Step 2: Convert to fraction form
   173,931/276,667.50 = 276,667.50/x
3. Step 3: Cross multiply
   173,931x = 276,667.50 × 276,667.50
4. Step 4: Simplify right side
   173,931x = 76,544,905,556.25
5. Step 5: Solve for x
   x = 76,544,905,556.25/173,931
6. Step 6: Final answer
   x = 440,087.77