Finding the Third Proportional to 5,867,976 and 8,976,318

Step by Step Solution

1. Step 1: Write the proportion equation
   5,867,976 : 8,976,318 = 8,976,318 : x
2. Step 2: Convert to fraction form
   5,867,976/8,976,318 = 8,976,318/x
3. Step 3: Cross multiply
   5,867,976x = 8,976,318 × 8,976,318
4. Step 4: Simplify right side
   5,867,976x = 80,574,284,837,124
5. Step 5: Solve for x
   x = 80,574,284,837,124/5,867,976
6. Step 6: Final answer
   x = 13,731,188.55