Finding the Third Proportional to 2,487,619,698 and 5,443,854,564

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487,619,698 : 5,443,854,564 = 5,443,854,564 : x
2. Step 2: Convert to fraction form
   2,487,619,698/5,443,854,564 = 5,443,854,564/x
3. Step 3: Cross multiply
   2,487,619,698x = 5,443,854,564 × 5,443,854,564
4. Step 4: Simplify right side
   2,487,619,698x = 29,635,552,513,983,631,360
5. Step 5: Solve for x
   x = 29,635,552,513,983,631,360/2,487,619,698
6. Step 6: Final answer
   x = 11,913,216,693.78