Finding the Third Proportional to 1,513,072,918 and 3,284,412,068

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513,072,918 : 3,284,412,068 = 3,284,412,068 : x
2. Step 2: Convert to fraction form
   1,513,072,918/3,284,412,068 = 3,284,412,068/x
3. Step 3: Cross multiply
   1,513,072,918x = 3,284,412,068 × 3,284,412,068
4. Step 4: Simplify right side
   1,513,072,918x = 10,787,362,632,424,036,352
5. Step 5: Solve for x
   x = 10,787,362,632,424,036,352/1,513,072,918
6. Step 6: Final answer
   x = 7,129,440,031.67