Finding the Third Proportional to 598,320 and 1,290,559.50

Step by Step Solution

1. Step 1: Write the proportion equation
   598,320 : 1,290,559.50 = 1,290,559.50 : x
2. Step 2: Convert to fraction form
   598,320/1,290,559.50 = 1,290,559.50/x
3. Step 3: Cross multiply
   598,320x = 1,290,559.50 × 1,290,559.50
4. Step 4: Simplify right side
   598,320x = 1,665,543,823,040.25
5. Step 5: Solve for x
   x = 1,665,543,823,040.25/598,320
6. Step 6: Final answer
   x = 2,783,700.73