Finding the Third Proportional to 276,418.50 and 602,862

Step by Step Solution

1. Step 1: Write the proportion equation
   276,418.50 : 602,862 = 602,862 : x
2. Step 2: Convert to fraction form
   276,418.50/602,862 = 602,862/x
3. Step 3: Cross multiply
   276,418.50x = 602,862 × 602,862
4. Step 4: Simplify right side
   276,418.50x = 363,442,591,044
5. Step 5: Solve for x
   x = 363,442,591,044/276,418.50
6. Step 6: Final answer
   x = 1,314,827.30