Finding the Third Proportional to 13,133.25 and 19,972.13

Step by Step Solution

1. Step 1: Write the proportion equation
   13,133.25 : 19,972.13 = 19,972.13 : x
2. Step 2: Convert to fraction form
   13,133.25/19,972.13 = 19,972.13/x
3. Step 3: Cross multiply
   13,133.25x = 19,972.13 × 19,972.13
4. Step 4: Simplify right side
   13,133.25x = 398,885,777.02
5. Step 5: Solve for x
   x = 398,885,777.02/13,133.25
6. Step 6: Final answer
   x = 30,372.21