Finding the Third Proportional to 28,686 and 43,015.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,686 : 43,015.50 = 43,015.50 : x
2. Step 2: Convert to fraction form
   28,686/43,015.50 = 43,015.50/x
3. Step 3: Cross multiply
   28,686x = 43,015.50 × 43,015.50
4. Step 4: Simplify right side
   28,686x = 1,850,333,240.25
5. Step 5: Solve for x
   x = 1,850,333,240.25/28,686
6. Step 6: Final answer
   x = 64,503.01