Finding the Third Proportional to 271,773 and 399,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   271,773 : 399,667.50 = 399,667.50 : x
2. Step 2: Convert to fraction form
   271,773/399,667.50 = 399,667.50/x
3. Step 3: Cross multiply
   271,773x = 399,667.50 × 399,667.50
4. Step 4: Simplify right side
   271,773x = 159,734,110,556.25
5. Step 5: Solve for x
   x = 159,734,110,556.25/271,773
6. Step 6: Final answer
   x = 587,748.27