Finding the Third Proportional to 123,004.50 and 266,411

Step by Step Solution

1. Step 1: Write the proportion equation
   123,004.50 : 266,411 = 266,411 : x
2. Step 2: Convert to fraction form
   123,004.50/266,411 = 266,411/x
3. Step 3: Cross multiply
   123,004.50x = 266,411 × 266,411
4. Step 4: Simplify right side
   123,004.50x = 70,974,820,921
5. Step 5: Solve for x
   x = 70,974,820,921/123,004.50
6. Step 6: Final answer
   x = 577,009.95