Finding the Third Proportional to 28,768.50 and 45,137.25

Step by Step Solution

1. Step 1: Write the proportion equation
   28,768.50 : 45,137.25 = 45,137.25 : x
2. Step 2: Convert to fraction form
   28,768.50/45,137.25 = 45,137.25/x
3. Step 3: Cross multiply
   28,768.50x = 45,137.25 × 45,137.25
4. Step 4: Simplify right side
   28,768.50x = 2,037,371,337.56
5. Step 5: Solve for x
   x = 2,037,371,337.56/28,768.50
6. Step 6: Final answer
   x = 70,819.52