Finding the Third Proportional to 53,194,155 and 80,863,780.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,194,155 : 80,863,780.50 = 80,863,780.50 : x
2. Step 2: Convert to fraction form
   53,194,155/80,863,780.50 = 80,863,780.50/x
3. Step 3: Cross multiply
   53,194,155x = 80,863,780.50 × 80,863,780.50
4. Step 4: Simplify right side
   53,194,155x = 6,538,950,996,752,180
5. Step 5: Solve for x
   x = 6,538,950,996,752,180/53,194,155
6. Step 6: Final answer
   x = 122,926,118.42