Finding the Third Proportional to 123,142,542 and 267,719,325

Step by Step Solution

1. Step 1: Write the proportion equation
   123,142,542 : 267,719,325 = 267,719,325 : x
2. Step 2: Convert to fraction form
   123,142,542/267,719,325 = 267,719,325/x
3. Step 3: Cross multiply
   123,142,542x = 267,719,325 × 267,719,325
4. Step 4: Simplify right side
   123,142,542x = 71,673,636,978,455,624
5. Step 5: Solve for x
   x = 71,673,636,978,455,624/123,142,542
6. Step 6: Final answer
   x = 582,037,984.72