Finding the Third Proportional to 3,802,218 and 8,454,528

Step by Step Solution

1. Step 1: Write the proportion equation
   3,802,218 : 8,454,528 = 8,454,528 : x
2. Step 2: Convert to fraction form
   3,802,218/8,454,528 = 8,454,528/x
3. Step 3: Cross multiply
   3,802,218x = 8,454,528 × 8,454,528
4. Step 4: Simplify right side
   3,802,218x = 71,479,043,702,784
5. Step 5: Solve for x
   x = 71,479,043,702,784/3,802,218
6. Step 6: Final answer
   x = 18,799,301.80