Finding the Third Proportional to 371,892,900 and 810,747,456

Step by Step Solution

1. Step 1: Write the proportion equation
   371,892,900 : 810,747,456 = 810,747,456 : x
2. Step 2: Convert to fraction form
   371,892,900/810,747,456 = 810,747,456/x
3. Step 3: Cross multiply
   371,892,900x = 810,747,456 × 810,747,456
4. Step 4: Simplify right side
   371,892,900x = 657,311,437,410,471,936
5. Step 5: Solve for x
   x = 657,311,437,410,471,936/371,892,900
6. Step 6: Final answer
   x = 1,767,475,091.38