Finding the Third Proportional to 12,009,800 and 18,589,152

Step by Step Solution

1. Step 1: Write the proportion equation
   12,009,800 : 18,589,152 = 18,589,152 : x
2. Step 2: Convert to fraction form
   12,009,800/18,589,152 = 18,589,152/x
3. Step 3: Cross multiply
   12,009,800x = 18,589,152 × 18,589,152
4. Step 4: Simplify right side
   12,009,800x = 345,556,572,079,104
5. Step 5: Solve for x
   x = 345,556,572,079,104/12,009,800
6. Step 6: Final answer
   x = 28,772,883.15