Finding the Third Proportional to 568,877,077,719 and 821,929,138,494.72

Step by Step Solution

1. Step 1: Write the proportion equation
   568,877,077,719 : 821,929,138,494.72 = 821,929,138,494.72 : x
2. Step 2: Convert to fraction form
   568,877,077,719/821,929,138,494.72 = 821,929,138,494.72/x
3. Step 3: Cross multiply
   568,877,077,719x = 821,929,138,494.72 × 821,929,138,494.72
4. Step 4: Simplify right side
   568,877,077,719x = 675,567,508,706,672,573,939,712
5. Step 5: Solve for x
   x = 675,567,508,706,672,573,939,712/568,877,077,719
6. Step 6: Final answer
   x = 1,187,545,667,010.29