Finding the Third Proportional to 43,272 and 71,845.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,272 : 71,845.50 = 71,845.50 : x
2. Step 2: Convert to fraction form
   43,272/71,845.50 = 71,845.50/x
3. Step 3: Cross multiply
   43,272x = 71,845.50 × 71,845.50
4. Step 4: Simplify right side
   43,272x = 5,161,775,870.25
5. Step 5: Solve for x
   x = 5,161,775,870.25/43,272
6. Step 6: Final answer
   x = 119,286.74