Finding the Third Proportional to 19,455 and 30,577.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,455 : 30,577.50 = 30,577.50 : x
2. Step 2: Convert to fraction form
   19,455/30,577.50 = 30,577.50/x
3. Step 3: Cross multiply
   19,455x = 30,577.50 × 30,577.50
4. Step 4: Simplify right side
   19,455x = 934,983,506.25
5. Step 5: Solve for x
   x = 934,983,506.25/19,455
6. Step 6: Final answer
   x = 48,058.78