Finding the Third Proportional to 86,315,346 and 184,942,390.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,315,346 : 184,942,390.50 = 184,942,390.50 : x
2. Step 2: Convert to fraction form
   86,315,346/184,942,390.50 = 184,942,390.50/x
3. Step 3: Cross multiply
   86,315,346x = 184,942,390.50 × 184,942,390.50
4. Step 4: Simplify right side
   86,315,346x = 34,203,687,803,854,492
5. Step 5: Solve for x
   x = 34,203,687,803,854,492/86,315,346
6. Step 6: Final answer
   x = 396,264,272.68