Finding the Third Proportional to 2,020,068 and 4,420,188

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020,068 : 4,420,188 = 4,420,188 : x
2. Step 2: Convert to fraction form
   2,020,068/4,420,188 = 4,420,188/x
3. Step 3: Cross multiply
   2,020,068x = 4,420,188 × 4,420,188
4. Step 4: Simplify right side
   2,020,068x = 19,538,061,955,344
5. Step 5: Solve for x
   x = 19,538,061,955,344/2,020,068
6. Step 6: Final answer
   x = 9,671,982.31