Finding the Third Proportional to 262,789,434 and 567,128,028

Step by Step Solution

1. Step 1: Write the proportion equation
   262,789,434 : 567,128,028 = 567,128,028 : x
2. Step 2: Convert to fraction form
   262,789,434/567,128,028 = 567,128,028/x
3. Step 3: Cross multiply
   262,789,434x = 567,128,028 × 567,128,028
4. Step 4: Simplify right side
   262,789,434x = 321,634,200,143,168,768
5. Step 5: Solve for x
   x = 321,634,200,143,168,768/262,789,434
6. Step 6: Final answer
   x = 1,223,923,638.21