Finding the Third Proportional to 123,372 and 265,454

Step by Step Solution

1. Step 1: Write the proportion equation
   123,372 : 265,454 = 265,454 : x
2. Step 2: Convert to fraction form
   123,372/265,454 = 265,454/x
3. Step 3: Cross multiply
   123,372x = 265,454 × 265,454
4. Step 4: Simplify right side
   123,372x = 70,465,826,116
5. Step 5: Solve for x
   x = 70,465,826,116/123,372
6. Step 6: Final answer
   x = 571,165.47