Finding the Third Proportional to 28,024.75 and 42,858.25

Step by Step Solution

1. Step 1: Write the proportion equation
   28,024.75 : 42,858.25 = 42,858.25 : x
2. Step 2: Convert to fraction form
   28,024.75/42,858.25 = 42,858.25/x
3. Step 3: Cross multiply
   28,024.75x = 42,858.25 × 42,858.25
4. Step 4: Simplify right side
   28,024.75x = 1,836,829,593.06
5. Step 5: Solve for x
   x = 1,836,829,593.06/28,024.75
6. Step 6: Final answer
   x = 65,543.12