Finding the Third Proportional to 72,603 and 110,000

Step by Step Solution

1. Step 1: Write the proportion equation
   72,603 : 110,000 = 110,000 : x
2. Step 2: Convert to fraction form
   72,603/110,000 = 110,000/x
3. Step 3: Cross multiply
   72,603x = 110,000 × 110,000
4. Step 4: Simplify right side
   72,603x = 12,100,000,000
5. Step 5: Solve for x
   x = 12,100,000,000/72,603
6. Step 6: Final answer
   x = 166,659.78