Finding the Third Proportional to 19,788.75 and 30,624.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,788.75 : 30,624.75 = 30,624.75 : x
2. Step 2: Convert to fraction form
   19,788.75/30,624.75 = 30,624.75/x
3. Step 3: Cross multiply
   19,788.75x = 30,624.75 × 30,624.75
4. Step 4: Simplify right side
   19,788.75x = 937,875,312.56
5. Step 5: Solve for x
   x = 937,875,312.56/19,788.75
6. Step 6: Final answer
   x = 47,394.37