Finding the Third Proportional to 1,816,490 and 4,281,974

Step by Step Solution

1. Step 1: Write the proportion equation
   1,816,490 : 4,281,974 = 4,281,974 : x
2. Step 2: Convert to fraction form
   1,816,490/4,281,974 = 4,281,974/x
3. Step 3: Cross multiply
   1,816,490x = 4,281,974 × 4,281,974
4. Step 4: Simplify right side
   1,816,490x = 18,335,301,336,676
5. Step 5: Solve for x
   x = 18,335,301,336,676/1,816,490
6. Step 6: Final answer
   x = 10,093,808.02