Finding the Third Proportional to 20,003.63 and 30,131.44

Step by Step Solution

1. Step 1: Write the proportion equation
   20,003.63 : 30,131.44 = 30,131.44 : x
2. Step 2: Convert to fraction form
   20,003.63/30,131.44 = 30,131.44/x
3. Step 3: Cross multiply
   20,003.63x = 30,131.44 × 30,131.44
4. Step 4: Simplify right side
   20,003.63x = 907,903,525.82
5. Step 5: Solve for x
   x = 907,903,525.82/20,003.63
6. Step 6: Final answer
   x = 45,386.95