Finding the Third Proportional to 296,631 and 614,291.06

Step by Step Solution

1. Step 1: Write the proportion equation
   296,631 : 614,291.06 = 614,291.06 : x
2. Step 2: Convert to fraction form
   296,631/614,291.06 = 614,291.06/x
3. Step 3: Cross multiply
   296,631x = 614,291.06 × 614,291.06
4. Step 4: Simplify right side
   296,631x = 377,353,509,467.38
5. Step 5: Solve for x
   x = 377,353,509,467.38/296,631
6. Step 6: Final answer
   x = 1,272,131.06