Finding the Third Proportional to 123,100 and 264,911

Step by Step Solution

1. Step 1: Write the proportion equation
   123,100 : 264,911 = 264,911 : x
2. Step 2: Convert to fraction form
   123,100/264,911 = 264,911/x
3. Step 3: Cross multiply
   123,100x = 264,911 × 264,911
4. Step 4: Simplify right side
   123,100x = 70,177,837,921
5. Step 5: Solve for x
   x = 70,177,837,921/123,100
6. Step 6: Final answer
   x = 570,088.04