Finding the Third Proportional to 1,020,144 and 2,113,980

Step by Step Solution

1. Step 1: Write the proportion equation
   1,020,144 : 2,113,980 = 2,113,980 : x
2. Step 2: Convert to fraction form
   1,020,144/2,113,980 = 2,113,980/x
3. Step 3: Cross multiply
   1,020,144x = 2,113,980 × 2,113,980
4. Step 4: Simplify right side
   1,020,144x = 4,468,911,440,400
5. Step 5: Solve for x
   x = 4,468,911,440,400/1,020,144
6. Step 6: Final answer
   x = 4,380,667.28