Finding the Third Proportional to 4,077.50 and 8,592.88

Step by Step Solution

1. Step 1: Write the proportion equation
   4,077.50 : 8,592.88 = 8,592.88 : x
2. Step 2: Convert to fraction form
   4,077.50/8,592.88 = 8,592.88/x
3. Step 3: Cross multiply
   4,077.50x = 8,592.88 × 8,592.88
4. Step 4: Simplify right side
   4,077.50x = 73,837,500.77
5. Step 5: Solve for x
   x = 73,837,500.77/4,077.50
6. Step 6: Final answer
   x = 18,108.52