Finding the Third Proportional to 296,883 and 622,930.50

Step by Step Solution

1. Step 1: Write the proportion equation
   296,883 : 622,930.50 = 622,930.50 : x
2. Step 2: Convert to fraction form
   296,883/622,930.50 = 622,930.50/x
3. Step 3: Cross multiply
   296,883x = 622,930.50 × 622,930.50
4. Step 4: Simplify right side
   296,883x = 388,042,407,830.25
5. Step 5: Solve for x
   x = 388,042,407,830.25/296,883
6. Step 6: Final answer
   x = 1,307,054.99