Finding the Third Proportional to 151,870 and 240,174

Step by Step Solution

1. Step 1: Write the proportion equation
   151,870 : 240,174 = 240,174 : x
2. Step 2: Convert to fraction form
   151,870/240,174 = 240,174/x
3. Step 3: Cross multiply
   151,870x = 240,174 × 240,174
4. Step 4: Simplify right side
   151,870x = 57,683,550,276
5. Step 5: Solve for x
   x = 57,683,550,276/151,870
6. Step 6: Final answer
   x = 379,821.89