Finding the Third Proportional to 5,499,284 and 8,319,692

Step by Step Solution

1. Step 1: Write the proportion equation
   5,499,284 : 8,319,692 = 8,319,692 : x
2. Step 2: Convert to fraction form
   5,499,284/8,319,692 = 8,319,692/x
3. Step 3: Cross multiply
   5,499,284x = 8,319,692 × 8,319,692
4. Step 4: Simplify right side
   5,499,284x = 69,217,274,974,864
5. Step 5: Solve for x
   x = 69,217,274,974,864/5,499,284
6. Step 6: Final answer
   x = 12,586,597.63