Finding the Third Proportional to 144,429 and 298,060.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,429 : 298,060.50 = 298,060.50 : x
2. Step 2: Convert to fraction form
   144,429/298,060.50 = 298,060.50/x
3. Step 3: Cross multiply
   144,429x = 298,060.50 × 298,060.50
4. Step 4: Simplify right side
   144,429x = 88,840,061,660.25
5. Step 5: Solve for x
   x = 88,840,061,660.25/144,429
6. Step 6: Final answer
   x = 615,112.35