Finding the Third Proportional to 118,228.50 and 140,098.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,228.50 : 140,098.50 = 140,098.50 : x
2. Step 2: Convert to fraction form
   118,228.50/140,098.50 = 140,098.50/x
3. Step 3: Cross multiply
   118,228.50x = 140,098.50 × 140,098.50
4. Step 4: Simplify right side
   118,228.50x = 19,627,589,702.25
5. Step 5: Solve for x
   x = 19,627,589,702.25/118,228.50
6. Step 6: Final answer
   x = 166,014.03