Finding the Third Proportional to 58,605.50 and 90,804

Step by Step Solution

1. Step 1: Write the proportion equation
   58,605.50 : 90,804 = 90,804 : x
2. Step 2: Convert to fraction form
   58,605.50/90,804 = 90,804/x
3. Step 3: Cross multiply
   58,605.50x = 90,804 × 90,804
4. Step 4: Simplify right side
   58,605.50x = 8,245,366,416
5. Step 5: Solve for x
   x = 8,245,366,416/58,605.50
6. Step 6: Final answer
   x = 140,692.71