Finding the Third Proportional to 1,236,558,564 and 2,666,821,900.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,236,558,564 : 2,666,821,900.50 = 2,666,821,900.50 : x
2. Step 2: Convert to fraction form
   1,236,558,564/2,666,821,900.50 = 2,666,821,900.50/x
3. Step 3: Cross multiply
   1,236,558,564x = 2,666,821,900.50 × 2,666,821,900.50
4. Step 4: Simplify right side
   1,236,558,564x = 7,111,939,048,986,431,488
5. Step 5: Solve for x
   x = 7,111,939,048,986,431,488/1,236,558,564
6. Step 6: Final answer
   x = 5,751,396,865.49