Finding the Third Proportional to 157,531.50 and 242,136

Step by Step Solution

1. Step 1: Write the proportion equation
   157,531.50 : 242,136 = 242,136 : x
2. Step 2: Convert to fraction form
   157,531.50/242,136 = 242,136/x
3. Step 3: Cross multiply
   157,531.50x = 242,136 × 242,136
4. Step 4: Simplify right side
   157,531.50x = 58,629,842,496
5. Step 5: Solve for x
   x = 58,629,842,496/157,531.50
6. Step 6: Final answer
   x = 372,178.53