Finding the Third Proportional to 123,402,155,296 and 173,777,427,515

Step by Step Solution

1. Step 1: Write the proportion equation
   123,402,155,296 : 173,777,427,515 = 173,777,427,515 : x
2. Step 2: Convert to fraction form
   123,402,155,296/173,777,427,515 = 173,777,427,515/x
3. Step 3: Cross multiply
   123,402,155,296x = 173,777,427,515 × 173,777,427,515
4. Step 4: Simplify right side
   123,402,155,296x = 30,198,594,313,731,079,929,856
5. Step 5: Solve for x
   x = 30,198,594,313,731,079,929,856/123,402,155,296
6. Step 6: Final answer
   x = 244,716,911,477.72