Finding the Third Proportional to 34,458.75 and 74,196.75

Step by Step Solution

1. Step 1: Write the proportion equation
   34,458.75 : 74,196.75 = 74,196.75 : x
2. Step 2: Convert to fraction form
   34,458.75/74,196.75 = 74,196.75/x
3. Step 3: Cross multiply
   34,458.75x = 74,196.75 × 74,196.75
4. Step 4: Simplify right side
   34,458.75x = 5,505,157,710.56
5. Step 5: Solve for x
   x = 5,505,157,710.56/34,458.75
6. Step 6: Final answer
   x = 159,760.81