Finding the Third Proportional to 111,592.27 and 169,723.69

Step by Step Solution

1. Step 1: Write the proportion equation
   111,592.27 : 169,723.69 = 169,723.69 : x
2. Step 2: Convert to fraction form
   111,592.27/169,723.69 = 169,723.69/x
3. Step 3: Cross multiply
   111,592.27x = 169,723.69 × 169,723.69
4. Step 4: Simplify right side
   111,592.27x = 28,806,130,098.60
5. Step 5: Solve for x
   x = 28,806,130,098.60/111,592.27
6. Step 6: Final answer
   x = 258,137.34