Finding the Third Proportional to 42,819.75 and 60,860.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,819.75 : 60,860.25 = 60,860.25 : x
2. Step 2: Convert to fraction form
   42,819.75/60,860.25 = 60,860.25/x
3. Step 3: Cross multiply
   42,819.75x = 60,860.25 × 60,860.25
4. Step 4: Simplify right side
   42,819.75x = 3,703,970,030.06
5. Step 5: Solve for x
   x = 3,703,970,030.06/42,819.75
6. Step 6: Final answer
   x = 86,501.44