Finding the Third Proportional to 296,886.94 and 635,809.50

Step by Step Solution

1. Step 1: Write the proportion equation
   296,886.94 : 635,809.50 = 635,809.50 : x
2. Step 2: Convert to fraction form
   296,886.94/635,809.50 = 635,809.50/x
3. Step 3: Cross multiply
   296,886.94x = 635,809.50 × 635,809.50
4. Step 4: Simplify right side
   296,886.94x = 404,253,720,290.25
5. Step 5: Solve for x
   x = 404,253,720,290.25/296,886.94
6. Step 6: Final answer
   x = 1,361,641.99