Finding the Third Proportional to 190,012 and 300,862

Step by Step Solution

1. Step 1: Write the proportion equation
   190,012 : 300,862 = 300,862 : x
2. Step 2: Convert to fraction form
   190,012/300,862 = 300,862/x
3. Step 3: Cross multiply
   190,012x = 300,862 × 300,862
4. Step 4: Simplify right side
   190,012x = 90,517,943,044
5. Step 5: Solve for x
   x = 90,517,943,044/190,012
6. Step 6: Final answer
   x = 476,380.14