Finding the Third Proportional to 1,886,155 and 2,991,558

Step by Step Solution

1. Step 1: Write the proportion equation
   1,886,155 : 2,991,558 = 2,991,558 : x
2. Step 2: Convert to fraction form
   1,886,155/2,991,558 = 2,991,558/x
3. Step 3: Cross multiply
   1,886,155x = 2,991,558 × 2,991,558
4. Step 4: Simplify right side
   1,886,155x = 8,949,419,267,364
5. Step 5: Solve for x
   x = 8,949,419,267,364/1,886,155
6. Step 6: Final answer
   x = 4,744,795.24