Finding the Third Proportional to 34,242 and 73,315.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,242 : 73,315.50 = 73,315.50 : x
2. Step 2: Convert to fraction form
   34,242/73,315.50 = 73,315.50/x
3. Step 3: Cross multiply
   34,242x = 73,315.50 × 73,315.50
4. Step 4: Simplify right side
   34,242x = 5,375,162,540.25
5. Step 5: Solve for x
   x = 5,375,162,540.25/34,242
6. Step 6: Final answer
   x = 156,975.72