Finding the Third Proportional to 1,816,488 and 4,281,968

Step by Step Solution

1. Step 1: Write the proportion equation
   1,816,488 : 4,281,968 = 4,281,968 : x
2. Step 2: Convert to fraction form
   1,816,488/4,281,968 = 4,281,968/x
3. Step 3: Cross multiply
   1,816,488x = 4,281,968 × 4,281,968
4. Step 4: Simplify right side
   1,816,488x = 18,335,249,953,024
5. Step 5: Solve for x
   x = 18,335,249,953,024/1,816,488
6. Step 6: Final answer
   x = 10,093,790.85