Finding the Third Proportional to 123,153 and 264,723.75

Step by Step Solution

1. Step 1: Write the proportion equation
   123,153 : 264,723.75 = 264,723.75 : x
2. Step 2: Convert to fraction form
   123,153/264,723.75 = 264,723.75/x
3. Step 3: Cross multiply
   123,153x = 264,723.75 × 264,723.75
4. Step 4: Simplify right side
   123,153x = 70,078,663,814.06
5. Step 5: Solve for x
   x = 70,078,663,814.06/123,153
6. Step 6: Final answer
   x = 569,037.41