Finding the Third Proportional to 115,895,638 and 245,608,742

Step by Step Solution

1. Step 1: Write the proportion equation
   115,895,638 : 245,608,742 = 245,608,742 : x
2. Step 2: Convert to fraction form
   115,895,638/245,608,742 = 245,608,742/x
3. Step 3: Cross multiply
   115,895,638x = 245,608,742 × 245,608,742
4. Step 4: Simplify right side
   115,895,638x = 60,323,654,146,822,560
5. Step 5: Solve for x
   x = 60,323,654,146,822,560/115,895,638
6. Step 6: Final answer
   x = 520,499,780.56