Finding the Third Proportional to 276,975 and 602,478.50

Step by Step Solution

1. Step 1: Write the proportion equation
   276,975 : 602,478.50 = 602,478.50 : x
2. Step 2: Convert to fraction form
   276,975/602,478.50 = 602,478.50/x
3. Step 3: Cross multiply
   276,975x = 602,478.50 × 602,478.50
4. Step 4: Simplify right side
   276,975x = 362,980,342,962.25
5. Step 5: Solve for x
   x = 362,980,342,962.25/276,975
6. Step 6: Final answer
   x = 1,310,516.63