Finding the Third Proportional to 78,911 and 110,995

Step by Step Solution

1. Step 1: Write the proportion equation
   78,911 : 110,995 = 110,995 : x
2. Step 2: Convert to fraction form
   78,911/110,995 = 110,995/x
3. Step 3: Cross multiply
   78,911x = 110,995 × 110,995
4. Step 4: Simplify right side
   78,911x = 12,319,890,025
5. Step 5: Solve for x
   x = 12,319,890,025/78,911
6. Step 6: Final answer
   x = 156,123.86