Finding the Third Proportional to 12,078,622 and 18,293,846

Step by Step Solution

1. Step 1: Write the proportion equation
   12,078,622 : 18,293,846 = 18,293,846 : x
2. Step 2: Convert to fraction form
   12,078,622/18,293,846 = 18,293,846/x
3. Step 3: Cross multiply
   12,078,622x = 18,293,846 × 18,293,846
4. Step 4: Simplify right side
   12,078,622x = 334,664,801,471,716
5. Step 5: Solve for x
   x = 334,664,801,471,716/12,078,622
6. Step 6: Final answer
   x = 27,707,200.50