Finding the Third Proportional to 115,895,636 and 245,608,738

Step by Step Solution

1. Step 1: Write the proportion equation
   115,895,636 : 245,608,738 = 245,608,738 : x
2. Step 2: Convert to fraction form
   115,895,636/245,608,738 = 245,608,738/x
3. Step 3: Cross multiply
   115,895,636x = 245,608,738 × 245,608,738
4. Step 4: Simplify right side
   115,895,636x = 60,323,652,181,952,640
5. Step 5: Solve for x
   x = 60,323,652,181,952,640/115,895,636
6. Step 6: Final answer
   x = 520,499,772.59