Finding the Third Proportional to 3,647,877,809.50 and 7,397,262,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,647,877,809.50 : 7,397,262,105.50 = 7,397,262,105.50 : x
2. Step 2: Convert to fraction form
   3,647,877,809.50/7,397,262,105.50 = 7,397,262,105.50/x
3. Step 3: Cross multiply
   3,647,877,809.50x = 7,397,262,105.50 × 7,397,262,105.50
4. Step 4: Simplify right side
   3,647,877,809.50x = 54,719,486,657,466,294,272
5. Step 5: Solve for x
   x = 54,719,486,657,466,294,272/3,647,877,809.50
6. Step 6: Final answer
   x = 15,000,361,721.26