Finding the Third Proportional to 155,780 and 233,406

Step by Step Solution

1. Step 1: Write the proportion equation
   155,780 : 233,406 = 233,406 : x
2. Step 2: Convert to fraction form
   155,780/233,406 = 233,406/x
3. Step 3: Cross multiply
   155,780x = 233,406 × 233,406
4. Step 4: Simplify right side
   155,780x = 54,478,360,836
5. Step 5: Solve for x
   x = 54,478,360,836/155,780
6. Step 6: Final answer
   x = 349,713.45