Finding the Third Proportional to 2,020,132 and 4,420,312

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020,132 : 4,420,312 = 4,420,312 : x
2. Step 2: Convert to fraction form
   2,020,132/4,420,312 = 4,420,312/x
3. Step 3: Cross multiply
   2,020,132x = 4,420,312 × 4,420,312
4. Step 4: Simplify right side
   2,020,132x = 19,539,158,177,344
5. Step 5: Solve for x
   x = 19,539,158,177,344/2,020,132
6. Step 6: Final answer
   x = 9,672,218.54