Finding the Third Proportional to 127,906.50 and 191,860

Step by Step Solution

1. Step 1: Write the proportion equation
   127,906.50 : 191,860 = 191,860 : x
2. Step 2: Convert to fraction form
   127,906.50/191,860 = 191,860/x
3. Step 3: Cross multiply
   127,906.50x = 191,860 × 191,860
4. Step 4: Simplify right side
   127,906.50x = 36,810,259,600
5. Step 5: Solve for x
   x = 36,810,259,600/127,906.50
6. Step 6: Final answer
   x = 287,790.38