Finding the Third Proportional to 918,103,519.69 and 1,992,083,258.81

Step by Step Solution

1. Step 1: Write the proportion equation
   918,103,519.69 : 1,992,083,258.81 = 1,992,083,258.81 : x
2. Step 2: Convert to fraction form
   918,103,519.69/1,992,083,258.81 = 1,992,083,258.81/x
3. Step 3: Cross multiply
   918,103,519.69x = 1,992,083,258.81 × 1,992,083,258.81
4. Step 4: Simplify right side
   918,103,519.69x = 3,968,395,710,041,029,632
5. Step 5: Solve for x
   x = 3,968,395,710,041,029,632/918,103,519.69
6. Step 6: Final answer
   x = 4,322,383,723.56