Finding the Third Proportional to 2,667,665 and 5,853,820.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667,665 : 5,853,820.50 = 5,853,820.50 : x
2. Step 2: Convert to fraction form
   2,667,665/5,853,820.50 = 5,853,820.50/x
3. Step 3: Cross multiply
   2,667,665x = 5,853,820.50 × 5,853,820.50
4. Step 4: Simplify right side
   2,667,665x = 34,267,214,446,220.25
5. Step 5: Solve for x
   x = 34,267,214,446,220.25/2,667,665
6. Step 6: Final answer
   x = 12,845,396.42