Finding the Third Proportional to 123,784 and 267,272

Step by Step Solution

1. Step 1: Write the proportion equation
   123,784 : 267,272 = 267,272 : x
2. Step 2: Convert to fraction form
   123,784/267,272 = 267,272/x
3. Step 3: Cross multiply
   123,784x = 267,272 × 267,272
4. Step 4: Simplify right side
   123,784x = 71,434,321,984
5. Step 5: Solve for x
   x = 71,434,321,984/123,784
6. Step 6: Final answer
   x = 577,088.49