Finding the Third Proportional to 103,662 and 155,459

Step by Step Solution

1. Step 1: Write the proportion equation
   103,662 : 155,459 = 155,459 : x
2. Step 2: Convert to fraction form
   103,662/155,459 = 155,459/x
3. Step 3: Cross multiply
   103,662x = 155,459 × 155,459
4. Step 4: Simplify right side
   103,662x = 24,167,500,681
5. Step 5: Solve for x
   x = 24,167,500,681/103,662
6. Step 6: Final answer
   x = 233,137.51