Finding the Third Proportional to 260,586 and 566,005.50

Step by Step Solution

1. Step 1: Write the proportion equation
   260,586 : 566,005.50 = 566,005.50 : x
2. Step 2: Convert to fraction form
   260,586/566,005.50 = 566,005.50/x
3. Step 3: Cross multiply
   260,586x = 566,005.50 × 566,005.50
4. Step 4: Simplify right side
   260,586x = 320,362,226,030.25
5. Step 5: Solve for x
   x = 320,362,226,030.25/260,586
6. Step 6: Final answer
   x = 1,229,391.55