Finding the Third Proportional to 20,477.25 and 30,903.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,477.25 : 30,903.75 = 30,903.75 : x
2. Step 2: Convert to fraction form
   20,477.25/30,903.75 = 30,903.75/x
3. Step 3: Cross multiply
   20,477.25x = 30,903.75 × 30,903.75
4. Step 4: Simplify right side
   20,477.25x = 955,041,764.06
5. Step 5: Solve for x
   x = 955,041,764.06/20,477.25
6. Step 6: Final answer
   x = 46,639.16