Finding the Third Proportional to 1,355,418 and 2,890,980

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355,418 : 2,890,980 = 2,890,980 : x
2. Step 2: Convert to fraction form
   1,355,418/2,890,980 = 2,890,980/x
3. Step 3: Cross multiply
   1,355,418x = 2,890,980 × 2,890,980
4. Step 4: Simplify right side
   1,355,418x = 8,357,765,360,400
5. Step 5: Solve for x
   x = 8,357,765,360,400/1,355,418
6. Step 6: Final answer
   x = 6,166,190.33