Finding the Third Proportional to 1,636,561,467 and 3,589,969,662

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636,561,467 : 3,589,969,662 = 3,589,969,662 : x
2. Step 2: Convert to fraction form
   1,636,561,467/3,589,969,662 = 3,589,969,662/x
3. Step 3: Cross multiply
   1,636,561,467x = 3,589,969,662 × 3,589,969,662
4. Step 4: Simplify right side
   1,636,561,467x = 12,887,882,174,080,395,264
5. Step 5: Solve for x
   x = 12,887,882,174,080,395,264/1,636,561,467
6. Step 6: Final answer
   x = 7,874,975,938.24