Finding the Third Proportional to 2,020,290 and 4,488,984.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020,290 : 4,488,984.50 = 4,488,984.50 : x
2. Step 2: Convert to fraction form
   2,020,290/4,488,984.50 = 4,488,984.50/x
3. Step 3: Cross multiply
   2,020,290x = 4,488,984.50 × 4,488,984.50
4. Step 4: Simplify right side
   2,020,290x = 20,150,981,841,240.25
5. Step 5: Solve for x
   x = 20,150,981,841,240.25/2,020,290
6. Step 6: Final answer
   x = 9,974,301.63