Finding the Third Proportional to 306,484,722 and 680,993,892

Step by Step Solution

1. Step 1: Write the proportion equation
   306,484,722 : 680,993,892 = 680,993,892 : x
2. Step 2: Convert to fraction form
   306,484,722/680,993,892 = 680,993,892/x
3. Step 3: Cross multiply
   306,484,722x = 680,993,892 × 680,993,892
4. Step 4: Simplify right side
   306,484,722x = 463,752,680,941,307,648
5. Step 5: Solve for x
   x = 463,752,680,941,307,648/306,484,722
6. Step 6: Final answer
   x = 1,513,134,742.62