Finding the Third Proportional to 19,998.75 and 30,124.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,998.75 : 30,124.50 = 30,124.50 : x
2. Step 2: Convert to fraction form
   19,998.75/30,124.50 = 30,124.50/x
3. Step 3: Cross multiply
   19,998.75x = 30,124.50 × 30,124.50
4. Step 4: Simplify right side
   19,998.75x = 907,485,500.25
5. Step 5: Solve for x
   x = 907,485,500.25/19,998.75
6. Step 6: Final answer
   x = 45,377.11