Finding the Third Proportional to 7,769,524 and 12,188,112

Step by Step Solution

1. Step 1: Write the proportion equation
   7,769,524 : 12,188,112 = 12,188,112 : x
2. Step 2: Convert to fraction form
   7,769,524/12,188,112 = 12,188,112/x
3. Step 3: Cross multiply
   7,769,524x = 12,188,112 × 12,188,112
4. Step 4: Simplify right side
   7,769,524x = 148,550,074,124,544
5. Step 5: Solve for x
   x = 148,550,074,124,544/7,769,524
6. Step 6: Final answer
   x = 19,119,584.95