Finding the Third Proportional to 144,105 and 334,999.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,105 : 334,999.50 = 334,999.50 : x
2. Step 2: Convert to fraction form
   144,105/334,999.50 = 334,999.50/x
3. Step 3: Cross multiply
   144,105x = 334,999.50 × 334,999.50
4. Step 4: Simplify right side
   144,105x = 112,224,665,000.25
5. Step 5: Solve for x
   x = 112,224,665,000.25/144,105
6. Step 6: Final answer
   x = 778,770.10