Finding the Third Proportional to 2,105,523,479 and 4,562,144,212

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,523,479 : 4,562,144,212 = 4,562,144,212 : x
2. Step 2: Convert to fraction form
   2,105,523,479/4,562,144,212 = 4,562,144,212/x
3. Step 3: Cross multiply
   2,105,523,479x = 4,562,144,212 × 4,562,144,212
4. Step 4: Simplify right side
   2,105,523,479x = 20,813,159,811,085,099,008
5. Step 5: Solve for x
   x = 20,813,159,811,085,099,008/2,105,523,479
6. Step 6: Final answer
   x = 9,885,028,601.52