Finding the Third Proportional to 3,509,196,348 and 7,802,998,900

Step by Step Solution

1. Step 1: Write the proportion equation
   3,509,196,348 : 7,802,998,900 = 7,802,998,900 : x
2. Step 2: Convert to fraction form
   3,509,196,348/7,802,998,900 = 7,802,998,900/x
3. Step 3: Cross multiply
   3,509,196,348x = 7,802,998,900 × 7,802,998,900
4. Step 4: Simplify right side
   3,509,196,348x = 60,886,791,833,401,212,928
5. Step 5: Solve for x
   x = 60,886,791,833,401,212,928/3,509,196,348
6. Step 6: Final answer
   x = 17,350,636,953.70