Finding the Third Proportional to 36,390 and 56,080.50

Step by Step Solution

1. Step 1: Write the proportion equation
   36,390 : 56,080.50 = 56,080.50 : x
2. Step 2: Convert to fraction form
   36,390/56,080.50 = 56,080.50/x
3. Step 3: Cross multiply
   36,390x = 56,080.50 × 56,080.50
4. Step 4: Simplify right side
   36,390x = 3,145,022,480.25
5. Step 5: Solve for x
   x = 3,145,022,480.25/36,390
6. Step 6: Final answer
   x = 86,425.46