Finding the Third Proportional to 354,474 and 544,853.25

Step by Step Solution

1. Step 1: Write the proportion equation
   354,474 : 544,853.25 = 544,853.25 : x
2. Step 2: Convert to fraction form
   354,474/544,853.25 = 544,853.25/x
3. Step 3: Cross multiply
   354,474x = 544,853.25 × 544,853.25
4. Step 4: Simplify right side
   354,474x = 296,865,064,035.56
5. Step 5: Solve for x
   x = 296,865,064,035.56/354,474
6. Step 6: Final answer
   x = 837,480.50