Finding the Third Proportional to 50,327,379,798 and 78,142,851,477

Step by Step Solution

1. Step 1: Write the proportion equation
   50,327,379,798 : 78,142,851,477 = 78,142,851,477 : x
2. Step 2: Convert to fraction form
   50,327,379,798/78,142,851,477 = 78,142,851,477/x
3. Step 3: Cross multiply
   50,327,379,798x = 78,142,851,477 × 78,142,851,477
4. Step 4: Simplify right side
   50,327,379,798x = 6,106,305,236,956,481,585,152
5. Step 5: Solve for x
   x = 6,106,305,236,956,481,585,152/50,327,379,798
6. Step 6: Final answer
   x = 121,331,673,960.88