Finding the Third Proportional to 1,636,561,462.50 and 3,589,969,653

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636,561,462.50 : 3,589,969,653 = 3,589,969,653 : x
2. Step 2: Convert to fraction form
   1,636,561,462.50/3,589,969,653 = 3,589,969,653/x
3. Step 3: Cross multiply
   1,636,561,462.50x = 3,589,969,653 × 3,589,969,653
4. Step 4: Simplify right side
   1,636,561,462.50x = 12,887,882,109,460,940,800
5. Step 5: Solve for x
   x = 12,887,882,109,460,940,800/1,636,561,462.50
6. Step 6: Final answer
   x = 7,874,975,920.41