Finding the Third Proportional to 124,698.38 and 258,264

Step by Step Solution

1. Step 1: Write the proportion equation
   124,698.38 : 258,264 = 258,264 : x
2. Step 2: Convert to fraction form
   124,698.38/258,264 = 258,264/x
3. Step 3: Cross multiply
   124,698.38x = 258,264 × 258,264
4. Step 4: Simplify right side
   124,698.38x = 66,700,293,696
5. Step 5: Solve for x
   x = 66,700,293,696/124,698.38
6. Step 6: Final answer
   x = 534,893.05