Finding the Third Proportional to 155,157.75 and 334,809

Step by Step Solution

1. Step 1: Write the proportion equation
   155,157.75 : 334,809 = 334,809 : x
2. Step 2: Convert to fraction form
   155,157.75/334,809 = 334,809/x
3. Step 3: Cross multiply
   155,157.75x = 334,809 × 334,809
4. Step 4: Simplify right side
   155,157.75x = 112,097,066,481
5. Step 5: Solve for x
   x = 112,097,066,481/155,157.75
6. Step 6: Final answer
   x = 722,471.59