Finding the Third Proportional to 11,851,605,785 and 17,123,523,718

Step by Step Solution

1. Step 1: Write the proportion equation
   11,851,605,785 : 17,123,523,718 = 17,123,523,718 : x
2. Step 2: Convert to fraction form
   11,851,605,785/17,123,523,718 = 17,123,523,718/x
3. Step 3: Cross multiply
   11,851,605,785x = 17,123,523,718 × 17,123,523,718
4. Step 4: Simplify right side
   11,851,605,785x = 293,215,064,520,908,537,856
5. Step 5: Solve for x
   x = 293,215,064,520,908,537,856/11,851,605,785
6. Step 6: Final answer
   x = 24,740,534,729.23