Finding the Third Proportional to 248,799 and 374,446.50

Step by Step Solution

1. Step 1: Write the proportion equation
   248,799 : 374,446.50 = 374,446.50 : x
2. Step 2: Convert to fraction form
   248,799/374,446.50 = 374,446.50/x
3. Step 3: Cross multiply
   248,799x = 374,446.50 × 374,446.50
4. Step 4: Simplify right side
   248,799x = 140,210,181,362.25
5. Step 5: Solve for x
   x = 140,210,181,362.25/248,799
6. Step 6: Final answer
   x = 563,548.01