Finding the Third Proportional to 11,026.13 and 21,692.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,026.13 : 21,692.81 = 21,692.81 : x
2. Step 2: Convert to fraction form
   11,026.13/21,692.81 = 21,692.81/x
3. Step 3: Cross multiply
   11,026.13x = 21,692.81 × 21,692.81
4. Step 4: Simplify right side
   11,026.13x = 470,578,114.16
5. Step 5: Solve for x
   x = 470,578,114.16/11,026.13
6. Step 6: Final answer
   x = 42,678.47