Finding the Third Proportional to 20,476.13 and 30,858.47

Step by Step Solution

1. Step 1: Write the proportion equation
   20,476.13 : 30,858.47 = 30,858.47 : x
2. Step 2: Convert to fraction form
   20,476.13/30,858.47 = 30,858.47/x
3. Step 3: Cross multiply
   20,476.13x = 30,858.47 × 30,858.47
4. Step 4: Simplify right side
   20,476.13x = 952,245,093.59
5. Step 5: Solve for x
   x = 952,245,093.59/20,476.13
6. Step 6: Final answer
   x = 46,505.14