Finding the Third Proportional to 156,560 and 242,520

Step by Step Solution

1. Step 1: Write the proportion equation
   156,560 : 242,520 = 242,520 : x
2. Step 2: Convert to fraction form
   156,560/242,520 = 242,520/x
3. Step 3: Cross multiply
   156,560x = 242,520 × 242,520
4. Step 4: Simplify right side
   156,560x = 58,815,950,400
5. Step 5: Solve for x
   x = 58,815,950,400/156,560
6. Step 6: Final answer
   x = 375,676.74