Finding the Third Proportional to 34,089.75 and 72,555.75

Step by Step Solution

1. Step 1: Write the proportion equation
   34,089.75 : 72,555.75 = 72,555.75 : x
2. Step 2: Convert to fraction form
   34,089.75/72,555.75 = 72,555.75/x
3. Step 3: Cross multiply
   34,089.75x = 72,555.75 × 72,555.75
4. Step 4: Simplify right side
   34,089.75x = 5,264,336,858.06
5. Step 5: Solve for x
   x = 5,264,336,858.06/34,089.75
6. Step 6: Final answer
   x = 154,425.80