Finding the Third Proportional to 276,419.25 and 602,865

Step by Step Solution

1. Step 1: Write the proportion equation
   276,419.25 : 602,865 = 602,865 : x
2. Step 2: Convert to fraction form
   276,419.25/602,865 = 602,865/x
3. Step 3: Cross multiply
   276,419.25x = 602,865 × 602,865
4. Step 4: Simplify right side
   276,419.25x = 363,446,208,225
5. Step 5: Solve for x
   x = 363,446,208,225/276,419.25
6. Step 6: Final answer
   x = 1,314,836.82