Finding the Third Proportional to 20,533.50 and 42,471.84

Step by Step Solution

1. Step 1: Write the proportion equation
   20,533.50 : 42,471.84 = 42,471.84 : x
2. Step 2: Convert to fraction form
   20,533.50/42,471.84 = 42,471.84/x
3. Step 3: Cross multiply
   20,533.50x = 42,471.84 × 42,471.84
4. Step 4: Simplify right side
   20,533.50x = 1,803,857,511.52
5. Step 5: Solve for x
   x = 1,803,857,511.52/20,533.50
6. Step 6: Final answer
   x = 87,849.49