Finding the Third Proportional to 2,636,740,000.69 and 5,636,105,236.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636,740,000.69 : 5,636,105,236.13 = 5,636,105,236.13 : x
2. Step 2: Convert to fraction form
   2,636,740,000.69/5,636,105,236.13 = 5,636,105,236.13/x
3. Step 3: Cross multiply
   2,636,740,000.69x = 5,636,105,236.13 × 5,636,105,236.13
4. Step 4: Simplify right side
   2,636,740,000.69x = 31,765,682,232,675,643,392
5. Step 5: Solve for x
   x = 31,765,682,232,675,643,392/2,636,740,000.69
6. Step 6: Final answer
   x = 12,047,332,017.72