Finding the Third Proportional to 20,236.50 and 30,283.88

Step by Step Solution

1. Step 1: Write the proportion equation
   20,236.50 : 30,283.88 = 30,283.88 : x
2. Step 2: Convert to fraction form
   20,236.50/30,283.88 = 30,283.88/x
3. Step 3: Cross multiply
   20,236.50x = 30,283.88 × 30,283.88
4. Step 4: Simplify right side
   20,236.50x = 917,113,085.02
5. Step 5: Solve for x
   x = 917,113,085.02/20,236.50
6. Step 6: Final answer
   x = 45,319.75