Finding the Third Proportional to 12,131.02 and 18,430.03

Step by Step Solution

1. Step 1: Write the proportion equation
   12,131.02 : 18,430.03 = 18,430.03 : x
2. Step 2: Convert to fraction form
   12,131.02/18,430.03 = 18,430.03/x
3. Step 3: Cross multiply
   12,131.02x = 18,430.03 × 18,430.03
4. Step 4: Simplify right side
   12,131.02x = 339,666,051.88
5. Step 5: Solve for x
   x = 339,666,051.88/12,131.02
6. Step 6: Final answer
   x = 27,999.80