Finding the Third Proportional to 2,155,584 and 2,997,140

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,584 : 2,997,140 = 2,997,140 : x
2. Step 2: Convert to fraction form
   2,155,584/2,997,140 = 2,997,140/x
3. Step 3: Cross multiply
   2,155,584x = 2,997,140 × 2,997,140
4. Step 4: Simplify right side
   2,155,584x = 8,982,848,179,600
5. Step 5: Solve for x
   x = 8,982,848,179,600/2,155,584
6. Step 6: Final answer
   x = 4,167,245.71