Finding the Third Proportional to 28,725 and 43,116

Step by Step Solution

1. Step 1: Write the proportion equation
   28,725 : 43,116 = 43,116 : x
2. Step 2: Convert to fraction form
   28,725/43,116 = 43,116/x
3. Step 3: Cross multiply
   28,725x = 43,116 × 43,116
4. Step 4: Simplify right side
   28,725x = 1,858,989,456
5. Step 5: Solve for x
   x = 1,858,989,456/28,725
6. Step 6: Final answer
   x = 64,716.78