Finding the Third Proportional to 78,899 and 110,976.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,899 : 110,976.50 = 110,976.50 : x
2. Step 2: Convert to fraction form
   78,899/110,976.50 = 110,976.50/x
3. Step 3: Cross multiply
   78,899x = 110,976.50 × 110,976.50
4. Step 4: Simplify right side
   78,899x = 12,315,783,552.25
5. Step 5: Solve for x
   x = 12,315,783,552.25/78,899
6. Step 6: Final answer
   x = 156,095.56