Finding the Third Proportional to 20,007.56 and 42,867.84

Step by Step Solution

1. Step 1: Write the proportion equation
   20,007.56 : 42,867.84 = 42,867.84 : x
2. Step 2: Convert to fraction form
   20,007.56/42,867.84 = 42,867.84/x
3. Step 3: Cross multiply
   20,007.56x = 42,867.84 × 42,867.84
4. Step 4: Simplify right side
   20,007.56x = 1,837,652,027.77
5. Step 5: Solve for x
   x = 1,837,652,027.77/20,007.56
6. Step 6: Final answer
   x = 91,847.87