Finding the Third Proportional to 28,444 and 42,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,444 : 42,667.50 = 42,667.50 : x
2. Step 2: Convert to fraction form
   28,444/42,667.50 = 42,667.50/x
3. Step 3: Cross multiply
   28,444x = 42,667.50 × 42,667.50
4. Step 4: Simplify right side
   28,444x = 1,820,515,556.25
5. Step 5: Solve for x
   x = 1,820,515,556.25/28,444
6. Step 6: Final answer
   x = 64,003.50