Finding the Third Proportional to 127,729 and 170,845.50

Step by Step Solution

1. Step 1: Write the proportion equation
   127,729 : 170,845.50 = 170,845.50 : x
2. Step 2: Convert to fraction form
   127,729/170,845.50 = 170,845.50/x
3. Step 3: Cross multiply
   127,729x = 170,845.50 × 170,845.50
4. Step 4: Simplify right side
   127,729x = 29,188,184,870.25
5. Step 5: Solve for x
   x = 29,188,184,870.25/127,729
6. Step 6: Final answer
   x = 228,516.51