Finding the Third Proportional to 28,287.75 and 58,899.75

Step by Step Solution

1. Step 1: Write the proportion equation
   28,287.75 : 58,899.75 = 58,899.75 : x
2. Step 2: Convert to fraction form
   28,287.75/58,899.75 = 58,899.75/x
3. Step 3: Cross multiply
   28,287.75x = 58,899.75 × 58,899.75
4. Step 4: Simplify right side
   28,287.75x = 3,469,180,550.06
5. Step 5: Solve for x
   x = 3,469,180,550.06/28,287.75
6. Step 6: Final answer
   x = 122,638.97