Finding the Third Proportional to 276,742.50 and 601,462.50

Step by Step Solution

1. Step 1: Write the proportion equation
   276,742.50 : 601,462.50 = 601,462.50 : x
2. Step 2: Convert to fraction form
   276,742.50/601,462.50 = 601,462.50/x
3. Step 3: Cross multiply
   276,742.50x = 601,462.50 × 601,462.50
4. Step 4: Simplify right side
   276,742.50x = 361,757,138,906.25
5. Step 5: Solve for x
   x = 361,757,138,906.25/276,742.50
6. Step 6: Final answer
   x = 1,307,197.63