Finding the Third Proportional to 298,755 and 448,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   298,755 : 448,456.50 = 448,456.50 : x
2. Step 2: Convert to fraction form
   298,755/448,456.50 = 448,456.50/x
3. Step 3: Cross multiply
   298,755x = 448,456.50 × 448,456.50
4. Step 4: Simplify right side
   298,755x = 201,113,232,392.25
5. Step 5: Solve for x
   x = 201,113,232,392.25/298,755
6. Step 6: Final answer
   x = 673,171.10