Finding the Third Proportional to 86,315,836 and 184,912,892

Step by Step Solution

1. Step 1: Write the proportion equation
   86,315,836 : 184,912,892 = 184,912,892 : x
2. Step 2: Convert to fraction form
   86,315,836/184,912,892 = 184,912,892/x
3. Step 3: Cross multiply
   86,315,836x = 184,912,892 × 184,912,892
4. Step 4: Simplify right side
   86,315,836x = 34,192,777,627,803,664
5. Step 5: Solve for x
   x = 34,192,777,627,803,664/86,315,836
6. Step 6: Final answer
   x = 396,135,624.84