Finding the Third Proportional to 296,634.75 and 614,298

Step by Step Solution

1. Step 1: Write the proportion equation
   296,634.75 : 614,298 = 614,298 : x
2. Step 2: Convert to fraction form
   296,634.75/614,298 = 614,298/x
3. Step 3: Cross multiply
   296,634.75x = 614,298 × 614,298
4. Step 4: Simplify right side
   296,634.75x = 377,362,032,804
5. Step 5: Solve for x
   x = 377,362,032,804/296,634.75
6. Step 6: Final answer
   x = 1,272,143.71