Finding the Third Proportional to 123,346.69 and 265,726.69

Step by Step Solution

1. Step 1: Write the proportion equation
   123,346.69 : 265,726.69 = 265,726.69 : x
2. Step 2: Convert to fraction form
   123,346.69/265,726.69 = 265,726.69/x
3. Step 3: Cross multiply
   123,346.69x = 265,726.69 × 265,726.69
4. Step 4: Simplify right side
   123,346.69x = 70,610,672,449.72
5. Step 5: Solve for x
   x = 70,610,672,449.72/123,346.69
6. Step 6: Final answer
   x = 572,456.98