Finding the Third Proportional to 157,905 and 242,714.50

Step by Step Solution

1. Step 1: Write the proportion equation
   157,905 : 242,714.50 = 242,714.50 : x
2. Step 2: Convert to fraction form
   157,905/242,714.50 = 242,714.50/x
3. Step 3: Cross multiply
   157,905x = 242,714.50 × 242,714.50
4. Step 4: Simplify right side
   157,905x = 58,910,328,510.25
5. Step 5: Solve for x
   x = 58,910,328,510.25/157,905
6. Step 6: Final answer
   x = 373,074.50