Finding the Third Proportional to 973,885,860 and 1,981,783,836

Step by Step Solution

1. Step 1: Write the proportion equation
   973,885,860 : 1,981,783,836 = 1,981,783,836 : x
2. Step 2: Convert to fraction form
   973,885,860/1,981,783,836 = 1,981,783,836/x
3. Step 3: Cross multiply
   973,885,860x = 1,981,783,836 × 1,981,783,836
4. Step 4: Simplify right side
   973,885,860x = 3,927,467,172,630,875,136
5. Step 5: Solve for x
   x = 3,927,467,172,630,875,136/973,885,860
6. Step 6: Final answer
   x = 4,032,779,747.55