Finding the Third Proportional to 20,952 and 42,511.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,952 : 42,511.50 = 42,511.50 : x
2. Step 2: Convert to fraction form
   20,952/42,511.50 = 42,511.50/x
3. Step 3: Cross multiply
   20,952x = 42,511.50 × 42,511.50
4. Step 4: Simplify right side
   20,952x = 1,807,227,632.25
5. Step 5: Solve for x
   x = 1,807,227,632.25/20,952
6. Step 6: Final answer
   x = 86,255.61