Finding the Third Proportional to 107,689.50 and 169,371

Step by Step Solution

1. Step 1: Write the proportion equation
   107,689.50 : 169,371 = 169,371 : x
2. Step 2: Convert to fraction form
   107,689.50/169,371 = 169,371/x
3. Step 3: Cross multiply
   107,689.50x = 169,371 × 169,371
4. Step 4: Simplify right side
   107,689.50x = 28,686,535,641
5. Step 5: Solve for x
   x = 28,686,535,641/107,689.50
6. Step 6: Final answer
   x = 266,381.92