Finding the Third Proportional to 245,216.50 and 374,953

Step by Step Solution

1. Step 1: Write the proportion equation
   245,216.50 : 374,953 = 374,953 : x
2. Step 2: Convert to fraction form
   245,216.50/374,953 = 374,953/x
3. Step 3: Cross multiply
   245,216.50x = 374,953 × 374,953
4. Step 4: Simplify right side
   245,216.50x = 140,589,752,209
5. Step 5: Solve for x
   x = 140,589,752,209/245,216.50
6. Step 6: Final answer
   x = 573,329.09