Finding the Third Proportional to 76,990.50 and 112,995

Step by Step Solution

1. Step 1: Write the proportion equation
   76,990.50 : 112,995 = 112,995 : x
2. Step 2: Convert to fraction form
   76,990.50/112,995 = 112,995/x
3. Step 3: Cross multiply
   76,990.50x = 112,995 × 112,995
4. Step 4: Simplify right side
   76,990.50x = 12,767,870,025
5. Step 5: Solve for x
   x = 12,767,870,025/76,990.50
6. Step 6: Final answer
   x = 165,836.95