Finding the Third Proportional to 2,155,653 and 2,997,243

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,653 : 2,997,243 = 2,997,243 : x
2. Step 2: Convert to fraction form
   2,155,653/2,997,243 = 2,997,243/x
3. Step 3: Cross multiply
   2,155,653x = 2,997,243 × 2,997,243
4. Step 4: Simplify right side
   2,155,653x = 8,983,465,601,049
5. Step 5: Solve for x
   x = 8,983,465,601,049/2,155,653
6. Step 6: Final answer
   x = 4,167,398.74