Finding the Third Proportional to 260,388 and 566,885.25

Step by Step Solution

1. Step 1: Write the proportion equation
   260,388 : 566,885.25 = 566,885.25 : x
2. Step 2: Convert to fraction form
   260,388/566,885.25 = 566,885.25/x
3. Step 3: Cross multiply
   260,388x = 566,885.25 × 566,885.25
4. Step 4: Simplify right side
   260,388x = 321,358,886,667.56
5. Step 5: Solve for x
   x = 321,358,886,667.56/260,388
6. Step 6: Final answer
   x = 1,234,153.98