Finding the Third Proportional to 127,904.50 and 191,857

Step by Step Solution

1. Step 1: Write the proportion equation
   127,904.50 : 191,857 = 191,857 : x
2. Step 2: Convert to fraction form
   127,904.50/191,857 = 191,857/x
3. Step 3: Cross multiply
   127,904.50x = 191,857 × 191,857
4. Step 4: Simplify right side
   127,904.50x = 36,809,108,449
5. Step 5: Solve for x
   x = 36,809,108,449/127,904.50
6. Step 6: Final answer
   x = 287,785.88