Finding the Third Proportional to 20,132 and 42,856.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,132 : 42,856.75 = 42,856.75 : x
2. Step 2: Convert to fraction form
   20,132/42,856.75 = 42,856.75/x
3. Step 3: Cross multiply
   20,132x = 42,856.75 × 42,856.75
4. Step 4: Simplify right side
   20,132x = 1,836,701,020.56
5. Step 5: Solve for x
   x = 1,836,701,020.56/20,132
6. Step 6: Final answer
   x = 91,232.91