Finding the Third Proportional to 28,772.25 and 43,759.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,772.25 : 43,759.50 = 43,759.50 : x
2. Step 2: Convert to fraction form
   28,772.25/43,759.50 = 43,759.50/x
3. Step 3: Cross multiply
   28,772.25x = 43,759.50 × 43,759.50
4. Step 4: Simplify right side
   28,772.25x = 1,914,893,840.25
5. Step 5: Solve for x
   x = 1,914,893,840.25/28,772.25
6. Step 6: Final answer
   x = 66,553.50