Finding the Third Proportional to 20,538.75 and 42,050.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,538.75 : 42,050.75 = 42,050.75 : x
2. Step 2: Convert to fraction form
   20,538.75/42,050.75 = 42,050.75/x
3. Step 3: Cross multiply
   20,538.75x = 42,050.75 × 42,050.75
4. Step 4: Simplify right side
   20,538.75x = 1,768,265,575.56
5. Step 5: Solve for x
   x = 1,768,265,575.56/20,538.75
6. Step 6: Final answer
   x = 86,094.12