Finding the Third Proportional to 19,449 and 30,487.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,449 : 30,487.50 = 30,487.50 : x
2. Step 2: Convert to fraction form
   19,449/30,487.50 = 30,487.50/x
3. Step 3: Cross multiply
   19,449x = 30,487.50 × 30,487.50
4. Step 4: Simplify right side
   19,449x = 929,487,656.25
5. Step 5: Solve for x
   x = 929,487,656.25/19,449
6. Step 6: Final answer
   x = 47,791.03