Finding the Third Proportional to 262,075.50 and 558,468

Step by Step Solution

1. Step 1: Write the proportion equation
   262,075.50 : 558,468 = 558,468 : x
2. Step 2: Convert to fraction form
   262,075.50/558,468 = 558,468/x
3. Step 3: Cross multiply
   262,075.50x = 558,468 × 558,468
4. Step 4: Simplify right side
   262,075.50x = 311,886,507,024
5. Step 5: Solve for x
   x = 311,886,507,024/262,075.50
6. Step 6: Final answer
   x = 1,190,063.58