Finding the Third Proportional to 157,308.75 and 235,980

Step by Step Solution

1. Step 1: Write the proportion equation
   157,308.75 : 235,980 = 235,980 : x
2. Step 2: Convert to fraction form
   157,308.75/235,980 = 235,980/x
3. Step 3: Cross multiply
   157,308.75x = 235,980 × 235,980
4. Step 4: Simplify right side
   157,308.75x = 55,686,560,400
5. Step 5: Solve for x
   x = 55,686,560,400/157,308.75
6. Step 6: Final answer
   x = 353,995.31