Finding the Third Proportional to 259,479 and 564,370.50

Step by Step Solution

1. Step 1: Write the proportion equation
   259,479 : 564,370.50 = 564,370.50 : x
2. Step 2: Convert to fraction form
   259,479/564,370.50 = 564,370.50/x
3. Step 3: Cross multiply
   259,479x = 564,370.50 × 564,370.50
4. Step 4: Simplify right side
   259,479x = 318,514,061,270.25
5. Step 5: Solve for x
   x = 318,514,061,270.25/259,479
6. Step 6: Final answer
   x = 1,227,513.83