Finding the Third Proportional to 36,520 and 56,392.50

Step by Step Solution

1. Step 1: Write the proportion equation
   36,520 : 56,392.50 = 56,392.50 : x
2. Step 2: Convert to fraction form
   36,520/56,392.50 = 56,392.50/x
3. Step 3: Cross multiply
   36,520x = 56,392.50 × 56,392.50
4. Step 4: Simplify right side
   36,520x = 3,180,114,056.25
5. Step 5: Solve for x
   x = 3,180,114,056.25/36,520
6. Step 6: Final answer
   x = 87,078.70