Finding the Third Proportional to 115,458 and 250,602

Step by Step Solution

1. Step 1: Write the proportion equation
   115,458 : 250,602 = 250,602 : x
2. Step 2: Convert to fraction form
   115,458/250,602 = 250,602/x
3. Step 3: Cross multiply
   115,458x = 250,602 × 250,602
4. Step 4: Simplify right side
   115,458x = 62,801,362,404
5. Step 5: Solve for x
   x = 62,801,362,404/115,458
6. Step 6: Final answer
   x = 543,932.53