Finding the Third Proportional to 34,081.88 and 72,321.75

Step by Step Solution

1. Step 1: Write the proportion equation
   34,081.88 : 72,321.75 = 72,321.75 : x
2. Step 2: Convert to fraction form
   34,081.88/72,321.75 = 72,321.75/x
3. Step 3: Cross multiply
   34,081.88x = 72,321.75 × 72,321.75
4. Step 4: Simplify right side
   34,081.88x = 5,230,435,523.06
5. Step 5: Solve for x
   x = 5,230,435,523.06/34,081.88
6. Step 6: Final answer
   x = 153,466.78