Finding the Third Proportional to 2,658,626,488 and 5,817,591,920

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658,626,488 : 5,817,591,920 = 5,817,591,920 : x
2. Step 2: Convert to fraction form
   2,658,626,488/5,817,591,920 = 5,817,591,920/x
3. Step 3: Cross multiply
   2,658,626,488x = 5,817,591,920 × 5,817,591,920
4. Step 4: Simplify right side
   2,658,626,488x = 33,844,375,747,649,286,144
5. Step 5: Solve for x
   x = 33,844,375,747,649,286,144/2,658,626,488
6. Step 6: Final answer
   x = 12,730,022,776.95