Finding the Third Proportional to 269,979 and 590,806.50

Step by Step Solution

1. Step 1: Write the proportion equation
   269,979 : 590,806.50 = 590,806.50 : x
2. Step 2: Convert to fraction form
   269,979/590,806.50 = 590,806.50/x
3. Step 3: Cross multiply
   269,979x = 590,806.50 × 590,806.50
4. Step 4: Simplify right side
   269,979x = 349,052,320,442.25
5. Step 5: Solve for x
   x = 349,052,320,442.25/269,979
6. Step 6: Final answer
   x = 1,292,886.93