Finding the Third Proportional to 12,100.64 and 18,692.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,100.64 : 18,692.02 = 18,692.02 : x
2. Step 2: Convert to fraction form
   12,100.64/18,692.02 = 18,692.02/x
3. Step 3: Cross multiply
   12,100.64x = 18,692.02 × 18,692.02
4. Step 4: Simplify right side
   12,100.64x = 349,391,448.13
5. Step 5: Solve for x
   x = 349,391,448.13/12,100.64
6. Step 6: Final answer
   x = 28,873.80