Finding the Third Proportional to 135,672.47 and 199,443.52

Step by Step Solution

1. Step 1: Write the proportion equation
   135,672.47 : 199,443.52 = 199,443.52 : x
2. Step 2: Convert to fraction form
   135,672.47/199,443.52 = 199,443.52/x
3. Step 3: Cross multiply
   135,672.47x = 199,443.52 × 199,443.52
4. Step 4: Simplify right side
   135,672.47x = 39,777,715,924.86
5. Step 5: Solve for x
   x = 39,777,715,924.86/135,672.47
6. Step 6: Final answer
   x = 293,189.30