Finding the Third Proportional to 111,572 and 234,622

Step by Step Solution

1. Step 1: Write the proportion equation
   111,572 : 234,622 = 234,622 : x
2. Step 2: Convert to fraction form
   111,572/234,622 = 234,622/x
3. Step 3: Cross multiply
   111,572x = 234,622 × 234,622
4. Step 4: Simplify right side
   111,572x = 55,047,482,884
5. Step 5: Solve for x
   x = 55,047,482,884/111,572
6. Step 6: Final answer
   x = 493,380.80