Finding the Third Proportional to 146,139,699 and 318,005,874

Step by Step Solution

1. Step 1: Write the proportion equation
   146,139,699 : 318,005,874 = 318,005,874 : x
2. Step 2: Convert to fraction form
   146,139,699/318,005,874 = 318,005,874/x
3. Step 3: Cross multiply
   146,139,699x = 318,005,874 × 318,005,874
4. Step 4: Simplify right side
   146,139,699x = 101,127,735,898,503,872
5. Step 5: Solve for x
   x = 101,127,735,898,503,872/146,139,699
6. Step 6: Final answer
   x = 691,993,596.47