Finding the Third Proportional to 2,155,637 and 2,997,207

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,637 : 2,997,207 = 2,997,207 : x
2. Step 2: Convert to fraction form
   2,155,637/2,997,207 = 2,997,207/x
3. Step 3: Cross multiply
   2,155,637x = 2,997,207 × 2,997,207
4. Step 4: Simplify right side
   2,155,637x = 8,983,249,800,849
5. Step 5: Solve for x
   x = 8,983,249,800,849/2,155,637
6. Step 6: Final answer
   x = 4,167,329.56