Finding the Third Proportional to 135,654.50 and 199,560

Step by Step Solution

1. Step 1: Write the proportion equation
   135,654.50 : 199,560 = 199,560 : x
2. Step 2: Convert to fraction form
   135,654.50/199,560 = 199,560/x
3. Step 3: Cross multiply
   135,654.50x = 199,560 × 199,560
4. Step 4: Simplify right side
   135,654.50x = 39,824,193,600
5. Step 5: Solve for x
   x = 39,824,193,600/135,654.50
6. Step 6: Final answer
   x = 293,570.75