Finding the Third Proportional to 144,454.50 and 349,546.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,454.50 : 349,546.50 = 349,546.50 : x
2. Step 2: Convert to fraction form
   144,454.50/349,546.50 = 349,546.50/x
3. Step 3: Cross multiply
   144,454.50x = 349,546.50 × 349,546.50
4. Step 4: Simplify right side
   144,454.50x = 122,182,755,662.25
5. Step 5: Solve for x
   x = 122,182,755,662.25/144,454.50
6. Step 6: Final answer
   x = 845,821.73