Finding the Third Proportional to 2,156,281,407 and 3,225,802,399

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156,281,407 : 3,225,802,399 = 3,225,802,399 : x
2. Step 2: Convert to fraction form
   2,156,281,407/3,225,802,399 = 3,225,802,399/x
3. Step 3: Cross multiply
   2,156,281,407x = 3,225,802,399 × 3,225,802,399
4. Step 4: Simplify right side
   2,156,281,407x = 10,405,801,117,394,155,520
5. Step 5: Solve for x
   x = 10,405,801,117,394,155,520/2,156,281,407
6. Step 6: Final answer
   x = 4,825,808,488.45