Finding the Third Proportional to 2,687,498,500.50 and 4,172,743,951.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,687,498,500.50 : 4,172,743,951.50 = 4,172,743,951.50 : x
2. Step 2: Convert to fraction form
   2,687,498,500.50/4,172,743,951.50 = 4,172,743,951.50/x
3. Step 3: Cross multiply
   2,687,498,500.50x = 4,172,743,951.50 × 4,172,743,951.50
4. Step 4: Simplify right side
   2,687,498,500.50x = 17,411,792,084,779,833,344
5. Step 5: Solve for x
   x = 17,411,792,084,779,833,344/2,687,498,500.50
6. Step 6: Final answer
   x = 6,478,809,972.00