Finding the Third Proportional to 2,575,414,779 and 5,578,681,674

Step by Step Solution

1. Step 1: Write the proportion equation
   2,575,414,779 : 5,578,681,674 = 5,578,681,674 : x
2. Step 2: Convert to fraction form
   2,575,414,779/5,578,681,674 = 5,578,681,674/x
3. Step 3: Cross multiply
   2,575,414,779x = 5,578,681,674 × 5,578,681,674
4. Step 4: Simplify right side
   2,575,414,779x = 31,121,689,219,823,443,968
5. Step 5: Solve for x
   x = 31,121,689,219,823,443,968/2,575,414,779
6. Step 6: Final answer
   x = 12,084,146,395.99