Finding the Third Proportional to 153,754 and 334,434

Step by Step Solution

1. Step 1: Write the proportion equation
   153,754 : 334,434 = 334,434 : x
2. Step 2: Convert to fraction form
   153,754/334,434 = 334,434/x
3. Step 3: Cross multiply
   153,754x = 334,434 × 334,434
4. Step 4: Simplify right side
   153,754x = 111,846,100,356
5. Step 5: Solve for x
   x = 111,846,100,356/153,754
6. Step 6: Final answer
   x = 727,435.39