Finding the Third Proportional to 2,658,626,436 and 5,817,591,820

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658,626,436 : 5,817,591,820 = 5,817,591,820 : x
2. Step 2: Convert to fraction form
   2,658,626,436/5,817,591,820 = 5,817,591,820/x
3. Step 3: Cross multiply
   2,658,626,436x = 5,817,591,820 × 5,817,591,820
4. Step 4: Simplify right side
   2,658,626,436x = 33,844,374,584,130,912,256
5. Step 5: Solve for x
   x = 33,844,374,584,130,912,256/2,658,626,436
6. Step 6: Final answer
   x = 12,730,022,588.30