Finding the Third Proportional to 271,890 and 583,159.50

Step by Step Solution

1. Step 1: Write the proportion equation
   271,890 : 583,159.50 = 583,159.50 : x
2. Step 2: Convert to fraction form
   271,890/583,159.50 = 583,159.50/x
3. Step 3: Cross multiply
   271,890x = 583,159.50 × 583,159.50
4. Step 4: Simplify right side
   271,890x = 340,075,002,440.25
5. Step 5: Solve for x
   x = 340,075,002,440.25/271,890
6. Step 6: Final answer
   x = 1,250,781.58