Finding the Third Proportional to 13,873 and 30,603.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,873 : 30,603.50 = 30,603.50 : x
2. Step 2: Convert to fraction form
   13,873/30,603.50 = 30,603.50/x
3. Step 3: Cross multiply
   13,873x = 30,603.50 × 30,603.50
4. Step 4: Simplify right side
   13,873x = 936,574,212.25
5. Step 5: Solve for x
   x = 936,574,212.25/13,873
6. Step 6: Final answer
   x = 67,510.58