Finding the Third Proportional to 123,435 and 265,601.25

Step by Step Solution

1. Step 1: Write the proportion equation
   123,435 : 265,601.25 = 265,601.25 : x
2. Step 2: Convert to fraction form
   123,435/265,601.25 = 265,601.25/x
3. Step 3: Cross multiply
   123,435x = 265,601.25 × 265,601.25
4. Step 4: Simplify right side
   123,435x = 70,544,024,001.56
5. Step 5: Solve for x
   x = 70,544,024,001.56/123,435
6. Step 6: Final answer
   x = 571,507.47