Finding the Third Proportional to 19,761 and 30,143.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,761 : 30,143.25 = 30,143.25 : x
2. Step 2: Convert to fraction form
   19,761/30,143.25 = 30,143.25/x
3. Step 3: Cross multiply
   19,761x = 30,143.25 × 30,143.25
4. Step 4: Simplify right side
   19,761x = 908,615,520.56
5. Step 5: Solve for x
   x = 908,615,520.56/19,761
6. Step 6: Final answer
   x = 45,980.24