Finding the Third Proportional to 13,642,612,540.31 and 29,687,520,040.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,642,612,540.31 : 29,687,520,040.59 = 29,687,520,040.59 : x
2. Step 2: Convert to fraction form
   13,642,612,540.31/29,687,520,040.59 = 29,687,520,040.59/x
3. Step 3: Cross multiply
   13,642,612,540.31x = 29,687,520,040.59 × 29,687,520,040.59
4. Step 4: Simplify right side
   13,642,612,540.31x = 881,348,846,160,610,852,864
5. Step 5: Solve for x
   x = 881,348,846,160,610,852,864/13,642,612,540.31
6. Step 6: Final answer
   x = 64,602,644,365.69