Finding the Third Proportional to 127,159.88 and 196,585.31

Step by Step Solution

1. Step 1: Write the proportion equation
   127,159.88 : 196,585.31 = 196,585.31 : x
2. Step 2: Convert to fraction form
   127,159.88/196,585.31 = 196,585.31/x
3. Step 3: Cross multiply
   127,159.88x = 196,585.31 × 196,585.31
4. Step 4: Simplify right side
   127,159.88x = 38,645,785,090.72
5. Step 5: Solve for x
   x = 38,645,785,090.72/127,159.88
6. Step 6: Final answer
   x = 303,914.93