Finding the Third Proportional to 28,161 and 43,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,161 : 43,456.50 = 43,456.50 : x
2. Step 2: Convert to fraction form
   28,161/43,456.50 = 43,456.50/x
3. Step 3: Cross multiply
   28,161x = 43,456.50 × 43,456.50
4. Step 4: Simplify right side
   28,161x = 1,888,467,392.25
5. Step 5: Solve for x
   x = 1,888,467,392.25/28,161
6. Step 6: Final answer
   x = 67,059.67