Finding the Third Proportional to 1,636,561,453.50 and 3,589,969,635

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636,561,453.50 : 3,589,969,635 = 3,589,969,635 : x
2. Step 2: Convert to fraction form
   1,636,561,453.50/3,589,969,635 = 3,589,969,635/x
3. Step 3: Cross multiply
   1,636,561,453.50x = 3,589,969,635 × 3,589,969,635
4. Step 4: Simplify right side
   1,636,561,453.50x = 12,887,881,980,222,033,920
5. Step 5: Solve for x
   x = 12,887,881,980,222,033,920/1,636,561,453.50
6. Step 6: Final answer
   x = 7,874,975,884.75