Finding the Third Proportional to 20,371.50 and 30,435.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,371.50 : 30,435.75 = 30,435.75 : x
2. Step 2: Convert to fraction form
   20,371.50/30,435.75 = 30,435.75/x
3. Step 3: Cross multiply
   20,371.50x = 30,435.75 × 30,435.75
4. Step 4: Simplify right side
   20,371.50x = 926,334,878.06
5. Step 5: Solve for x
   x = 926,334,878.06/20,371.50
6. Step 6: Final answer
   x = 45,472.10