Finding the Third Proportional to 109,659.80 and 160,687.69

Step by Step Solution

1. Step 1: Write the proportion equation
   109,659.80 : 160,687.69 = 160,687.69 : x
2. Step 2: Convert to fraction form
   109,659.80/160,687.69 = 160,687.69/x
3. Step 3: Cross multiply
   109,659.80x = 160,687.69 × 160,687.69
4. Step 4: Simplify right side
   109,659.80x = 25,820,532,914.10
5. Step 5: Solve for x
   x = 25,820,532,914.10/109,659.80
6. Step 6: Final answer
   x = 235,460.34