Finding the Third Proportional to 245,862 and 379,708.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,862 : 379,708.50 = 379,708.50 : x
2. Step 2: Convert to fraction form
   245,862/379,708.50 = 379,708.50/x
3. Step 3: Cross multiply
   245,862x = 379,708.50 × 379,708.50
4. Step 4: Simplify right side
   245,862x = 144,178,544,972.25
5. Step 5: Solve for x
   x = 144,178,544,972.25/245,862
6. Step 6: Final answer
   x = 586,420.61