Finding the Third Proportional to 103,611 and 157,443

Step by Step Solution

1. Step 1: Write the proportion equation
   103,611 : 157,443 = 157,443 : x
2. Step 2: Convert to fraction form
   103,611/157,443 = 157,443/x
3. Step 3: Cross multiply
   103,611x = 157,443 × 157,443
4. Step 4: Simplify right side
   103,611x = 24,788,298,249
5. Step 5: Solve for x
   x = 24,788,298,249/103,611
6. Step 6: Final answer
   x = 239,243.89