Finding the Third Proportional to 111,425 and 240,174

Step by Step Solution

1. Step 1: Write the proportion equation
   111,425 : 240,174 = 240,174 : x
2. Step 2: Convert to fraction form
   111,425/240,174 = 240,174/x
3. Step 3: Cross multiply
   111,425x = 240,174 × 240,174
4. Step 4: Simplify right side
   111,425x = 57,683,550,276
5. Step 5: Solve for x
   x = 57,683,550,276/111,425
6. Step 6: Final answer
   x = 517,689.48