Finding the Third Proportional to 1,396,059,697.50 and 2,164,638,626

Step by Step Solution

1. Step 1: Write the proportion equation
   1,396,059,697.50 : 2,164,638,626 = 2,164,638,626 : x
2. Step 2: Convert to fraction form
   1,396,059,697.50/2,164,638,626 = 2,164,638,626/x
3. Step 3: Cross multiply
   1,396,059,697.50x = 2,164,638,626 × 2,164,638,626
4. Step 4: Simplify right side
   1,396,059,697.50x = 4,685,660,381,171,168,256
5. Step 5: Solve for x
   x = 4,685,660,381,171,168,256/1,396,059,697.50
6. Step 6: Final answer
   x = 3,356,346,716.09