Finding the Third Proportional to 2,425,217,558 and 5,262,070,678

Step by Step Solution

1. Step 1: Write the proportion equation
   2,425,217,558 : 5,262,070,678 = 5,262,070,678 : x
2. Step 2: Convert to fraction form
   2,425,217,558/5,262,070,678 = 5,262,070,678/x
3. Step 3: Cross multiply
   2,425,217,558x = 5,262,070,678 × 5,262,070,678
4. Step 4: Simplify right side
   2,425,217,558x = 27,689,387,820,267,380,736
5. Step 5: Solve for x
   x = 27,689,387,820,267,380,736/2,425,217,558
6. Step 6: Final answer
   x = 11,417,279,958.63