Finding the Third Proportional to 5,464,981 and 8,020,142

Step by Step Solution

1. Step 1: Write the proportion equation
   5,464,981 : 8,020,142 = 8,020,142 : x
2. Step 2: Convert to fraction form
   5,464,981/8,020,142 = 8,020,142/x
3. Step 3: Cross multiply
   5,464,981x = 8,020,142 × 8,020,142
4. Step 4: Simplify right side
   5,464,981x = 64,322,677,700,164
5. Step 5: Solve for x
   x = 64,322,677,700,164/5,464,981
6. Step 6: Final answer
   x = 11,769,972.80