Finding the Third Proportional to 34,018.88 and 72,155.25

Step by Step Solution

1. Step 1: Write the proportion equation
   34,018.88 : 72,155.25 = 72,155.25 : x
2. Step 2: Convert to fraction form
   34,018.88/72,155.25 = 72,155.25/x
3. Step 3: Cross multiply
   34,018.88x = 72,155.25 × 72,155.25
4. Step 4: Simplify right side
   34,018.88x = 5,206,380,102.56
5. Step 5: Solve for x
   x = 5,206,380,102.56/34,018.88
6. Step 6: Final answer
   x = 153,043.86