Finding the Third Proportional to 123,142,536 and 267,719,313

Step by Step Solution

1. Step 1: Write the proportion equation
   123,142,536 : 267,719,313 = 267,719,313 : x
2. Step 2: Convert to fraction form
   123,142,536/267,719,313 = 267,719,313/x
3. Step 3: Cross multiply
   123,142,536x = 267,719,313 × 267,719,313
4. Step 4: Simplify right side
   123,142,536x = 71,673,630,553,191,968
5. Step 5: Solve for x
   x = 71,673,630,553,191,968/123,142,536
6. Step 6: Final answer
   x = 582,037,960.90