Finding the Third Proportional to 72,588 and 111,043

Step by Step Solution

1. Step 1: Write the proportion equation
   72,588 : 111,043 = 111,043 : x
2. Step 2: Convert to fraction form
   72,588/111,043 = 111,043/x
3. Step 3: Cross multiply
   72,588x = 111,043 × 111,043
4. Step 4: Simplify right side
   72,588x = 12,330,547,849
5. Step 5: Solve for x
   x = 12,330,547,849/72,588
6. Step 6: Final answer
   x = 169,870.33