Finding the Third Proportional to 51,049,456 and 77,181,780

Step by Step Solution

1. Step 1: Write the proportion equation
   51,049,456 : 77,181,780 = 77,181,780 : x
2. Step 2: Convert to fraction form
   51,049,456/77,181,780 = 77,181,780/x
3. Step 3: Cross multiply
   51,049,456x = 77,181,780 × 77,181,780
4. Step 4: Simplify right side
   51,049,456x = 5,957,027,163,968,400
5. Step 5: Solve for x
   x = 5,957,027,163,968,400/51,049,456
6. Step 6: Final answer
   x = 116,691,295.67