Finding the Third Proportional to 172,810,910 and 377,901,616

Step by Step Solution

1. Step 1: Write the proportion equation
   172,810,910 : 377,901,616 = 377,901,616 : x
2. Step 2: Convert to fraction form
   172,810,910/377,901,616 = 377,901,616/x
3. Step 3: Cross multiply
   172,810,910x = 377,901,616 × 377,901,616
4. Step 4: Simplify right side
   172,810,910x = 142,809,631,375,411,456
5. Step 5: Solve for x
   x = 142,809,631,375,411,456/172,810,910
6. Step 6: Final answer
   x = 826,392,450.43