Finding the Third Proportional to 13,404.75 and 28,590.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,404.75 : 28,590.25 = 28,590.25 : x
2. Step 2: Convert to fraction form
   13,404.75/28,590.25 = 28,590.25/x
3. Step 3: Cross multiply
   13,404.75x = 28,590.25 × 28,590.25
4. Step 4: Simplify right side
   13,404.75x = 817,402,395.06
5. Step 5: Solve for x
   x = 817,402,395.06/13,404.75
6. Step 6: Final answer
   x = 60,978.56