Finding the Third Proportional to 19,369.13 and 30,820.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,369.13 : 30,820.50 = 30,820.50 : x
2. Step 2: Convert to fraction form
   19,369.13/30,820.50 = 30,820.50/x
3. Step 3: Cross multiply
   19,369.13x = 30,820.50 × 30,820.50
4. Step 4: Simplify right side
   19,369.13x = 949,903,220.25
5. Step 5: Solve for x
   x = 949,903,220.25/19,369.13
6. Step 6: Final answer
   x = 49,042.13