Finding the Third Proportional to 8,033,340 and 12,238,245

Step by Step Solution

1. Step 1: Write the proportion equation
   8,033,340 : 12,238,245 = 12,238,245 : x
2. Step 2: Convert to fraction form
   8,033,340/12,238,245 = 12,238,245/x
3. Step 3: Cross multiply
   8,033,340x = 12,238,245 × 12,238,245
4. Step 4: Simplify right side
   8,033,340x = 149,774,640,680,025
5. Step 5: Solve for x
   x = 149,774,640,680,025/8,033,340
6. Step 6: Final answer
   x = 18,644,130.67