Finding the Third Proportional to 245,862 and 379,710

Step by Step Solution

1. Step 1: Write the proportion equation
   245,862 : 379,710 = 379,710 : x
2. Step 2: Convert to fraction form
   245,862/379,710 = 379,710/x
3. Step 3: Cross multiply
   245,862x = 379,710 × 379,710
4. Step 4: Simplify right side
   245,862x = 144,179,684,100
5. Step 5: Solve for x
   x = 144,179,684,100/245,862
6. Step 6: Final answer
   x = 586,425.25