Finding the Third Proportional to 156,348 and 242,238

Step by Step Solution

1. Step 1: Write the proportion equation
   156,348 : 242,238 = 242,238 : x
2. Step 2: Convert to fraction form
   156,348/242,238 = 242,238/x
3. Step 3: Cross multiply
   156,348x = 242,238 × 242,238
4. Step 4: Simplify right side
   156,348x = 58,679,248,644
5. Step 5: Solve for x
   x = 58,679,248,644/156,348
6. Step 6: Final answer
   x = 375,311.80