Finding the Third Proportional to 1,396,059,699 and 2,164,638,628.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,396,059,699 : 2,164,638,628.50 = 2,164,638,628.50 : x
2. Step 2: Convert to fraction form
   1,396,059,699/2,164,638,628.50 = 2,164,638,628.50/x
3. Step 3: Cross multiply
   1,396,059,699x = 2,164,638,628.50 × 2,164,638,628.50
4. Step 4: Simplify right side
   1,396,059,699x = 4,685,660,391,994,360,832
5. Step 5: Solve for x
   x = 4,685,660,391,994,360,832/1,396,059,699
6. Step 6: Final answer
   x = 3,356,346,720.24