Finding the Third Proportional to 973,885,836 and 1,981,783,788

Step by Step Solution

1. Step 1: Write the proportion equation
   973,885,836 : 1,981,783,788 = 1,981,783,788 : x
2. Step 2: Convert to fraction form
   973,885,836/1,981,783,788 = 1,981,783,788/x
3. Step 3: Cross multiply
   973,885,836x = 1,981,783,788 × 1,981,783,788
4. Step 4: Simplify right side
   973,885,836x = 3,927,466,982,379,629,056
5. Step 5: Solve for x
   x = 3,927,466,982,379,629,056/973,885,836
6. Step 6: Final answer
   x = 4,032,779,651.58