Finding the Third Proportional to 86,315,376 and 184,942,456

Step by Step Solution

1. Step 1: Write the proportion equation
   86,315,376 : 184,942,456 = 184,942,456 : x
2. Step 2: Convert to fraction form
   86,315,376/184,942,456 = 184,942,456/x
3. Step 3: Cross multiply
   86,315,376x = 184,942,456 × 184,942,456
4. Step 4: Simplify right side
   86,315,376x = 34,203,712,031,311,936
5. Step 5: Solve for x
   x = 34,203,712,031,311,936/86,315,376
6. Step 6: Final answer
   x = 396,264,415.64