Finding the Third Proportional to 8,389 and 19,592.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,389 : 19,592.50 = 19,592.50 : x
2. Step 2: Convert to fraction form
   8,389/19,592.50 = 19,592.50/x
3. Step 3: Cross multiply
   8,389x = 19,592.50 × 19,592.50
4. Step 4: Simplify right side
   8,389x = 383,866,056.25
5. Step 5: Solve for x
   x = 383,866,056.25/8,389
6. Step 6: Final answer
   x = 45,758.26