Finding the Third Proportional to 115,895,646 and 245,608,756

Step by Step Solution

1. Step 1: Write the proportion equation
   115,895,646 : 245,608,756 = 245,608,756 : x
2. Step 2: Convert to fraction form
   115,895,646/245,608,756 = 245,608,756/x
3. Step 3: Cross multiply
   115,895,646x = 245,608,756 × 245,608,756
4. Step 4: Simplify right side
   115,895,646x = 60,323,661,023,867,536
5. Step 5: Solve for x
   x = 60,323,661,023,867,536/115,895,646
6. Step 6: Final answer
   x = 520,499,803.97