Finding the Third Proportional to 354,477.50 and 544,856

Step by Step Solution

1. Step 1: Write the proportion equation
   354,477.50 : 544,856 = 544,856 : x
2. Step 2: Convert to fraction form
   354,477.50/544,856 = 544,856/x
3. Step 3: Cross multiply
   354,477.50x = 544,856 × 544,856
4. Step 4: Simplify right side
   354,477.50x = 296,868,060,736
5. Step 5: Solve for x
   x = 296,868,060,736/354,477.50
6. Step 6: Final answer
   x = 837,480.69