Finding the Third Proportional to 427,284 and 661,395.38

Step by Step Solution

1. Step 1: Write the proportion equation
   427,284 : 661,395.38 = 661,395.38 : x
2. Step 2: Convert to fraction form
   427,284/661,395.38 = 661,395.38/x
3. Step 3: Cross multiply
   427,284x = 661,395.38 × 661,395.38
4. Step 4: Simplify right side
   427,284x = 437,443,842,071.39
5. Step 5: Solve for x
   x = 437,443,842,071.39/427,284
6. Step 6: Final answer
   x = 1,023,777.73