Finding the Third Proportional to 15,692.91 and 21,999.94

Step by Step Solution

1. Step 1: Write the proportion equation
   15,692.91 : 21,999.94 = 21,999.94 : x
2. Step 2: Convert to fraction form
   15,692.91/21,999.94 = 21,999.94/x
3. Step 3: Cross multiply
   15,692.91x = 21,999.94 × 21,999.94
4. Step 4: Simplify right side
   15,692.91x = 483,997,250.00
5. Step 5: Solve for x
   x = 483,997,250.00/15,692.91
6. Step 6: Final answer
   x = 30,841.79