Finding the Third Proportional to 115,610 and 238,132

Step by Step Solution

1. Step 1: Write the proportion equation
   115,610 : 238,132 = 238,132 : x
2. Step 2: Convert to fraction form
   115,610/238,132 = 238,132/x
3. Step 3: Cross multiply
   115,610x = 238,132 × 238,132
4. Step 4: Simplify right side
   115,610x = 56,706,849,424
5. Step 5: Solve for x
   x = 56,706,849,424/115,610
6. Step 6: Final answer
   x = 490,501.25