Finding the Third Proportional to 5,870,648 and 8,981,056

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870,648 : 8,981,056 = 8,981,056 : x
2. Step 2: Convert to fraction form
   5,870,648/8,981,056 = 8,981,056/x
3. Step 3: Cross multiply
   5,870,648x = 8,981,056 × 8,981,056
4. Step 4: Simplify right side
   5,870,648x = 80,659,366,875,136
5. Step 5: Solve for x
   x = 80,659,366,875,136/5,870,648
6. Step 6: Final answer
   x = 13,739,431.64