Finding the Third Proportional to 156,315.50 and 242,196

Step by Step Solution

1. Step 1: Write the proportion equation
   156,315.50 : 242,196 = 242,196 : x
2. Step 2: Convert to fraction form
   156,315.50/242,196 = 242,196/x
3. Step 3: Cross multiply
   156,315.50x = 242,196 × 242,196
4. Step 4: Simplify right side
   156,315.50x = 58,658,902,416
5. Step 5: Solve for x
   x = 58,658,902,416/156,315.50
6. Step 6: Final answer
   x = 375,259.67