Finding the Third Proportional to 245,871 and 379,723.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,871 : 379,723.50 = 379,723.50 : x
2. Step 2: Convert to fraction form
   245,871/379,723.50 = 379,723.50/x
3. Step 3: Cross multiply
   245,871x = 379,723.50 × 379,723.50
4. Step 4: Simplify right side
   245,871x = 144,189,936,452.25
5. Step 5: Solve for x
   x = 144,189,936,452.25/245,871
6. Step 6: Final answer
   x = 586,445.48