Finding the Third Proportional to 43,945.03 and 72,205.17

Step by Step Solution

1. Step 1: Write the proportion equation
   43,945.03 : 72,205.17 = 72,205.17 : x
2. Step 2: Convert to fraction form
   43,945.03/72,205.17 = 72,205.17/x
3. Step 3: Cross multiply
   43,945.03x = 72,205.17 × 72,205.17
4. Step 4: Simplify right side
   43,945.03x = 5,213,586,845.50
5. Step 5: Solve for x
   x = 5,213,586,845.50/43,945.03
6. Step 6: Final answer
   x = 118,638.82