Finding the Third Proportional to 155,791.50 and 254,370

Step by Step Solution

1. Step 1: Write the proportion equation
   155,791.50 : 254,370 = 254,370 : x
2. Step 2: Convert to fraction form
   155,791.50/254,370 = 254,370/x
3. Step 3: Cross multiply
   155,791.50x = 254,370 × 254,370
4. Step 4: Simplify right side
   155,791.50x = 64,704,096,900
5. Step 5: Solve for x
   x = 64,704,096,900/155,791.50
6. Step 6: Final answer
   x = 415,324.95