Finding the Third Proportional to 36,580.50 and 56,389.50

Step by Step Solution

1. Step 1: Write the proportion equation
   36,580.50 : 56,389.50 = 56,389.50 : x
2. Step 2: Convert to fraction form
   36,580.50/56,389.50 = 56,389.50/x
3. Step 3: Cross multiply
   36,580.50x = 56,389.50 × 56,389.50
4. Step 4: Simplify right side
   36,580.50x = 3,179,775,710.25
5. Step 5: Solve for x
   x = 3,179,775,710.25/36,580.50
6. Step 6: Final answer
   x = 86,925.43