Finding the Third Proportional to 21,123 and 30,692.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,123 : 30,692.25 = 30,692.25 : x
2. Step 2: Convert to fraction form
   21,123/30,692.25 = 30,692.25/x
3. Step 3: Cross multiply
   21,123x = 30,692.25 × 30,692.25
4. Step 4: Simplify right side
   21,123x = 942,014,210.06
5. Step 5: Solve for x
   x = 942,014,210.06/21,123
6. Step 6: Final answer
   x = 44,596.61