Finding the Third Proportional to 298,944 and 453,951.50

Step by Step Solution

1. Step 1: Write the proportion equation
   298,944 : 453,951.50 = 453,951.50 : x
2. Step 2: Convert to fraction form
   298,944/453,951.50 = 453,951.50/x
3. Step 3: Cross multiply
   298,944x = 453,951.50 × 453,951.50
4. Step 4: Simplify right side
   298,944x = 206,071,964,352.25
5. Step 5: Solve for x
   x = 206,071,964,352.25/298,944
6. Step 6: Final answer
   x = 689,333.00