Finding the Third Proportional to 72,641 and 111,074

Step by Step Solution

1. Step 1: Write the proportion equation
   72,641 : 111,074 = 111,074 : x
2. Step 2: Convert to fraction form
   72,641/111,074 = 111,074/x
3. Step 3: Cross multiply
   72,641x = 111,074 × 111,074
4. Step 4: Simplify right side
   72,641x = 12,337,433,476
5. Step 5: Solve for x
   x = 12,337,433,476/72,641
6. Step 6: Final answer
   x = 169,841.18