Finding the Third Proportional to 146,139,708 and 318,005,898

Step by Step Solution

1. Step 1: Write the proportion equation
   146,139,708 : 318,005,898 = 318,005,898 : x
2. Step 2: Convert to fraction form
   146,139,708/318,005,898 = 318,005,898/x
3. Step 3: Cross multiply
   146,139,708x = 318,005,898 × 318,005,898
4. Step 4: Simplify right side
   146,139,708x = 101,127,751,162,786,400
5. Step 5: Solve for x
   x = 101,127,751,162,786,400/146,139,708
6. Step 6: Final answer
   x = 691,993,658.31