Finding the Third Proportional to 20,156.25 and 30,254.63

Step by Step Solution

1. Step 1: Write the proportion equation
   20,156.25 : 30,254.63 = 30,254.63 : x
2. Step 2: Convert to fraction form
   20,156.25/30,254.63 = 30,254.63/x
3. Step 3: Cross multiply
   20,156.25x = 30,254.63 × 30,254.63
4. Step 4: Simplify right side
   20,156.25x = 915,342,333.89
5. Step 5: Solve for x
   x = 915,342,333.89/20,156.25
6. Step 6: Final answer
   x = 45,412.33