Finding the Third Proportional to 19,789.31 and 30,602.81

Step by Step Solution

1. Step 1: Write the proportion equation
   19,789.31 : 30,602.81 = 30,602.81 : x
2. Step 2: Convert to fraction form
   19,789.31/30,602.81 = 30,602.81/x
3. Step 3: Cross multiply
   19,789.31x = 30,602.81 × 30,602.81
4. Step 4: Simplify right side
   19,789.31x = 936,532,132.91
5. Step 5: Solve for x
   x = 936,532,132.91/19,789.31
6. Step 6: Final answer
   x = 47,325.15