Finding the Third Proportional to 127,953 and 204,421.50

Step by Step Solution

1. Step 1: Write the proportion equation
   127,953 : 204,421.50 = 204,421.50 : x
2. Step 2: Convert to fraction form
   127,953/204,421.50 = 204,421.50/x
3. Step 3: Cross multiply
   127,953x = 204,421.50 × 204,421.50
4. Step 4: Simplify right side
   127,953x = 41,788,149,662.25
5. Step 5: Solve for x
   x = 41,788,149,662.25/127,953
6. Step 6: Final answer
   x = 326,589.84