Finding the Third Proportional to 155,926 and 342,538

Step by Step Solution

1. Step 1: Write the proportion equation
   155,926 : 342,538 = 342,538 : x
2. Step 2: Convert to fraction form
   155,926/342,538 = 342,538/x
3. Step 3: Cross multiply
   155,926x = 342,538 × 342,538
4. Step 4: Simplify right side
   155,926x = 117,332,281,444
5. Step 5: Solve for x
   x = 117,332,281,444/155,926
6. Step 6: Final answer
   x = 752,486.96