Finding the Third Proportional to 862,778,143.50 and 1,886,981,997

Step by Step Solution

1. Step 1: Write the proportion equation
   862,778,143.50 : 1,886,981,997 = 1,886,981,997 : x
2. Step 2: Convert to fraction form
   862,778,143.50/1,886,981,997 = 1,886,981,997/x
3. Step 3: Cross multiply
   862,778,143.50x = 1,886,981,997 × 1,886,981,997
4. Step 4: Simplify right side
   862,778,143.50x = 3,560,701,057,002,107,904
5. Step 5: Solve for x
   x = 3,560,701,057,002,107,904/862,778,143.50
6. Step 6: Final answer
   x = 4,127,018,149.25