Finding the Third Proportional to 123,336 and 265,376.25

Step by Step Solution

1. Step 1: Write the proportion equation
   123,336 : 265,376.25 = 265,376.25 : x
2. Step 2: Convert to fraction form
   123,336/265,376.25 = 265,376.25/x
3. Step 3: Cross multiply
   123,336x = 265,376.25 × 265,376.25
4. Step 4: Simplify right side
   123,336x = 70,424,554,064.06
5. Step 5: Solve for x
   x = 70,424,554,064.06/123,336
6. Step 6: Final answer
   x = 570,997.55