Finding the Third Proportional to 19,440 and 28,749.94

Step by Step Solution

1. Step 1: Write the proportion equation
   19,440 : 28,749.94 = 28,749.94 : x
2. Step 2: Convert to fraction form
   19,440/28,749.94 = 28,749.94/x
3. Step 3: Cross multiply
   19,440x = 28,749.94 × 28,749.94
4. Step 4: Simplify right side
   19,440x = 826,558,906.25
5. Step 5: Solve for x
   x = 826,558,906.25/19,440
6. Step 6: Final answer
   x = 42,518.46