Finding the Third Proportional to 2,036,280 and 4,213,484

Step by Step Solution

1. Step 1: Write the proportion equation
   2,036,280 : 4,213,484 = 4,213,484 : x
2. Step 2: Convert to fraction form
   2,036,280/4,213,484 = 4,213,484/x
3. Step 3: Cross multiply
   2,036,280x = 4,213,484 × 4,213,484
4. Step 4: Simplify right side
   2,036,280x = 17,753,447,418,256
5. Step 5: Solve for x
   x = 17,753,447,418,256/2,036,280
6. Step 6: Final answer
   x = 8,718,568.87