Finding the Third Proportional to 123,142,535.50 and 267,719,311

Step by Step Solution

1. Step 1: Write the proportion equation
   123,142,535.50 : 267,719,311 = 267,719,311 : x
2. Step 2: Convert to fraction form
   123,142,535.50/267,719,311 = 267,719,311/x
3. Step 3: Cross multiply
   123,142,535.50x = 267,719,311 × 267,719,311
4. Step 4: Simplify right side
   123,142,535.50x = 71,673,629,482,314,720
5. Step 5: Solve for x
   x = 71,673,629,482,314,720/123,142,535.50
6. Step 6: Final answer
   x = 582,037,954.56