Finding the Third Proportional to 271,602 and 422,932.50

Step by Step Solution

1. Step 1: Write the proportion equation
   271,602 : 422,932.50 = 422,932.50 : x
2. Step 2: Convert to fraction form
   271,602/422,932.50 = 422,932.50/x
3. Step 3: Cross multiply
   271,602x = 422,932.50 × 422,932.50
4. Step 4: Simplify right side
   271,602x = 178,871,899,556.25
5. Step 5: Solve for x
   x = 178,871,899,556.25/271,602
6. Step 6: Final answer
   x = 658,580.94